diff --git a/sound/shairport-sync/Makefile b/sound/shairport-sync/Makefile
index d4ef59ed4..a4e5ea5c2 100644
--- a/sound/shairport-sync/Makefile
+++ b/sound/shairport-sync/Makefile
@@ -7,20 +7,21 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=shairport-sync
-PKG_VERSION:=3.3.5
+PKG_VERSION:=3.3.6
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/mikebrady/shairport-sync/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=9757dd7f19c0bc28cb06a6753305c3ed89da2d271d069b36d1b12173309c1459
+PKG_HASH:=a8382affd25c473fa38ead5690148c6c3902098f359f9c881eefe139e1f49f49
 
 PKG_MAINTAINER:=Ted Hess <thess@kitschensync.net>, \
 		Mike Brady <mikebrady@eircom.net>
 PKG_LICENSE:=MIT
 PKG_LICENSE_FILES:=COPYING LICENSES shairport.c
 
-PKG_BUILD_PARALLEL:=1
 PKG_FIXUP:=autoreconf
+PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/package.mk
 
@@ -74,7 +75,7 @@ define Package/shairport-sync-mini/description
   Minimal version uses mbed TLS and does not include libsoxr and avahi support.
 endef
 
-CONFIGURE_ARGS+= \
+CONFIGURE_ARGS += \
 	--with-alsa \
 	--with-metadata
 
@@ -102,9 +103,9 @@ Package/shairport-sync-mini/conffiles = $(Package/shairport-sync/default/conffil
 
 define Package/shairport-sync/default/install
 	$(INSTALL_DIR) $(1)/usr/bin
-	$(INSTALL_BIN) $(PKG_BUILD_DIR)/shairport-sync $(1)/usr/bin/
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/shairport-sync $(1)/usr/bin/
 	$(INSTALL_DIR) $(1)/etc
-	$(INSTALL_DATA) $(PKG_BUILD_DIR)/scripts/shairport-sync.conf $(1)/etc/shairport-sync.conf
+	$(INSTALL_DATA) $(PKG_INSTALL_DIR)/etc/shairport-sync.conf $(1)/etc/shairport-sync.conf
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/shairport-sync.init $(1)/etc/init.d/shairport-sync
 	$(INSTALL_DIR) $(1)/etc/config
diff --git a/sound/shairport-sync/files/shairport-sync.init b/sound/shairport-sync/files/shairport-sync.init
index a4a1da931..728976829 100644
--- a/sound/shairport-sync/files/shairport-sync.init
+++ b/sound/shairport-sync/files/shairport-sync.init
@@ -6,25 +6,28 @@ USE_PROCD=1
 
 append_num() {
 	local cfg="$1"
-	local file="$2"
-	local var="$3"
-	local opt="$4"
-	local def="$5"
+	local var="$2"
+	local opt="$3"
+	local def="$4"
 	local val
 
 	config_get val "$cfg" "$var"
-	[ -n "$val" -o -n "$def" ] && echo -e "\t$opt = ${val:-$def};" >> $file
+	if [ -n "$val" ] || [ -n "$def" ]; then
+		printf "\t%s = ${val:-$def};\n" "$opt"
+	fi
 }
+
 append_str() {
 	local cfg="$1"
-	local file="$2"
-	local var="$3"
-	local opt="$4"
-	local def="$5"
+	local var="$2"
+	local opt="$3"
+	local def="$4"
 	local val
 
 	config_get val "$cfg" "$var"
-	[ -n "$val" -o -n "$def" ] && echo -e "\t$opt = \"${val:-$def}\";" >> $file
+	if [ -n "$val" ] || [ -n "$def" ]; then
+		printf "\t%s = \"${val:-$def}\";\n" "$opt"
+	fi
 }
 
 start_instance() {
@@ -36,95 +39,95 @@ start_instance() {
 
 	config_get_bool conf_custom "$cfg" 'conf_custom' '0'
 	config_get conf_file "$cfg" "conf_file"
-	if [ $conf_custom -ne 1 ] && [ ! -n "$conf_file" ]; then
+	[ "$conf_custom" -ne 1 ] && [ -z "$conf_file" ] && {
 		mkdir -p /var/etc
 		conf_file="/var/etc/shairport-sync-${cfg}.conf"
-
-		echo -e "// Automatically generated from UCI config\n" > $conf_file
+	} && {
+		printf "// Automatically generated from UCI config\n\n"
 
 		# General
-		echo -e "general =" >> $conf_file
-		echo -e "{" >> $conf_file
-		append_str "$cfg" "$conf_file" name "name"
-		append_str "$cfg" "$conf_file" password "password"
-		append_str "$cfg" "$conf_file" interpolation "interpolation"
-		append_str "$cfg" "$conf_file" output_backend "output_backend"
-		append_str "$cfg" "$conf_file" mdns_backend "mdns_backend"
-		append_num "$cfg" "$conf_file" port "port"
-		append_num "$cfg" "$conf_file" udp_port_base "udp_port_base"
-		append_num "$cfg" "$conf_file" udp_port_range "udp_port_range"
-		append_str "$cfg" "$conf_file" statistics "statistics"
-		append_num "$cfg" "$conf_file" drift "drift"
-		append_num "$cfg" "$conf_file" resync_threshold "resync_threshold"
-		append_num "$cfg" "$conf_file" log_verbosity "log_verbosity"
-		append_str "$cfg" "$conf_file" ignore_volume_control "ignore_volume_control"
-		append_num "$cfg" "$conf_file" volume_range_db "volume_range_db"
-		append_str "$cfg" "$conf_file" regtype "regtype"
-		append_str "$cfg" "$conf_file" playback_mode "playback_mode"
-		echo -e "};\n" >> $conf_file
+		printf "general =\n"
+		printf "{\n"
+		append_str "$cfg" name "name"
+		append_str "$cfg" password "password"
+		append_str "$cfg" interpolation "interpolation"
+		append_str "$cfg" output_backend "output_backend"
+		append_str "$cfg" mdns_backend "mdns_backend"
+		append_num "$cfg" port "port"
+		append_num "$cfg" udp_port_base "udp_port_base"
+		append_num "$cfg" udp_port_range "udp_port_range"
+		append_str "$cfg" statistics "statistics"
+		append_num "$cfg" drift "drift"
+		append_num "$cfg" resync_threshold "resync_threshold"
+		append_num "$cfg" log_verbosity "log_verbosity"
+		append_str "$cfg" ignore_volume_control "ignore_volume_control"
+		append_num "$cfg" volume_range_db "volume_range_db"
+		append_str "$cfg" regtype "regtype"
+		append_str "$cfg" playback_mode "playback_mode"
+		printf "};\n\n"
 
 		# Metadata
-		echo -e "metadata =" >> $conf_file
-		echo -e "{" >> $conf_file
-		append_str "$cfg" "$conf_file" metadata_enabled "enabled"
-		append_str "$cfg" "$conf_file" metadata_cover_art "include_cover_art"
-		append_str "$cfg" "$conf_file" metadata_pipe_name "pipe_name"
-		append_num "$cfg" "$conf_file" metadata_pipe_timeout "pipe_timeout"
-		append_str "$cfg" "$conf_file" metadata_socket_address "socket_address"
-		append_num "$cfg" "$conf_file" metadata_socket_port "socket_port"
-		append_num "$cfg" "$conf_file" metadata_socket_msglength "socket_msglength"
-		echo -e "};\n" >> $conf_file
+		printf "metadata =\n"
+		printf "{\n"
+		append_str "$cfg" metadata_enabled "enabled"
+		append_str "$cfg" metadata_cover_art "include_cover_art"
+		append_str "$cfg" metadata_pipe_name "pipe_name"
+		append_num "$cfg" metadata_pipe_timeout "pipe_timeout"
+		append_str "$cfg" metadata_socket_address "socket_address"
+		append_num "$cfg" metadata_socket_port "socket_port"
+		append_num "$cfg" metadata_socket_msglength "socket_msglength"
+		printf "};\n\n"
 
 		# Session control
-		echo -e "sessioncontrol =" >> $conf_file
-		echo -e "{" >> $conf_file
-		append_str "$cfg" "$conf_file" sesctl_run_before_play_begins "run_this_before_play_begins"
-		append_str "$cfg" "$conf_file" sesctl_run_after_play_ends "run_this_after_play_ends"
-		append_str "$cfg" "$conf_file" sesctl_wait_for_completion "wait_for_completion"
-		append_str "$cfg" "$conf_file" sesctl_session_interruption "allow_session_interruption"
-		append_num "$cfg" "$conf_file" sesctl_session_timeout "session_timeout"
-		echo -e "};\n" >> $conf_file
+		printf "sessioncontrol =\n"
+		printf "{\n"
+		append_str "$cfg" sesctl_run_before_play_begins "run_this_before_play_begins"
+		append_str "$cfg" sesctl_run_after_play_ends "run_this_after_play_ends"
+		append_str "$cfg" sesctl_wait_for_completion "wait_for_completion"
+		append_str "$cfg" sesctl_session_interruption "allow_session_interruption"
+		append_num "$cfg" sesctl_session_timeout "session_timeout"
+		printf "};\n\n"
 
 		# Alsa audio back end
-		echo -e "alsa =" >> $conf_file
-		echo -e "{" >> $conf_file
-		append_str "$cfg" "$conf_file" alsa_output_device "output_device"
-		append_str "$cfg" "$conf_file" alsa_mixer_control_name "mixer_control_name"
-		append_str "$cfg" "$conf_file" alsa_mixer_device "mixer_device"
-		append_num "$cfg" "$conf_file" alsa_latency_offset "audio_backend_latency_offset"
-		append_num "$cfg" "$conf_file" alsa_buffer_length "audio_backend_buffer_desired_length"
-		append_str "$cfg" "$conf_file" alsa_disable_synchronization "disable_synchronization"
-		append_num "$cfg" "$conf_file" alsa_period_size "period_size"
-		append_num "$cfg" "$conf_file" alsa_buffer_size "buffer_size"
-		echo -e "};\n" >> $conf_file
+		printf "alsa =\n"
+		printf "{\n"
+		append_str "$cfg" alsa_output_device "output_device"
+		append_str "$cfg" alsa_mixer_control_name "mixer_control_name"
+		append_str "$cfg" alsa_mixer_device "mixer_device"
+		append_num "$cfg" alsa_latency_offset "audio_backend_latency_offset"
+		append_num "$cfg" alsa_buffer_length "audio_backend_buffer_desired_length"
+		append_str "$cfg" alsa_disable_synchronization "disable_synchronization"
+		append_num "$cfg" alsa_period_size "period_size"
+		append_num "$cfg" alsa_buffer_size "buffer_size"
+		printf "};\n\n"
 
 		# Pipe audio back end
-		echo -e "pipe =" >> $conf_file
-		echo -e "{" >> $conf_file
-		append_str "$cfg" "$conf_file" pipe_name "name"
-		append_num "$cfg" "$conf_file" pipe_latency_offset "audio_backend_latency_offset"
-		append_num "$cfg" "$conf_file" pipe_buffer_length "audio_backend_buffer_desired_length"
-		echo -e "};\n" >> $conf_file
+		printf "pipe =\n"
+		printf "{\n"
+		append_str "$cfg" pipe_name "name"
+		append_num "$cfg" pipe_latency_offset "audio_backend_latency_offset"
+		append_num "$cfg" pipe_buffer_length "audio_backend_buffer_desired_length"
+		printf "};\n\n"
 
 		# Stdout audio back end
-		echo -e "stdout =" >> $conf_file
-		echo -e "{" >> $conf_file
-		append_num "$cfg" "$conf_file" stdout_latency_offset "audio_backend_latency_offset"
-		append_num "$cfg" "$conf_file" stdout_buffer_length "audio_backend_buffer_desired_length"
-		echo -e "};\n" >> $conf_file
+		printf "stdout =\n"
+		printf "{\n"
+		append_num "$cfg" stdout_latency_offset "audio_backend_latency_offset"
+		append_num "$cfg" stdout_buffer_length "audio_backend_buffer_desired_length"
+		printf "};\n\n"
 
 		# AO audio back end
-		echo -e "ao =" >> $conf_file
-		echo -e "{" >> $conf_file
-		append_num "$cfg" "$conf_file" ao_latency_offset "audio_backend_latency_offset"
-		append_num "$cfg" "$conf_file" ao_buffer_length "audio_backend_buffer_desired_length"
-		echo -e "};\n" >> $conf_file
-	fi
+		printf "ao =\n"
+		printf "{\n"
+		append_num "$cfg" ao_latency_offset "audio_backend_latency_offset"
+		append_num "$cfg" ao_buffer_length "audio_backend_buffer_desired_length"
+		printf "};\n\n"
+	} > "$conf_file"
 
 	procd_open_instance
 
 	procd_set_param command /usr/bin/shairport-sync
-	procd_append_param command -c $conf_file
+	procd_append_param command -c "$conf_file"
 
 	config_get_bool aux "$cfg" 'respawn' '0'
 	[ "$aux" = 1 ] && procd_set_param respawn