diff --git a/lang/python3/files/python3-package.mk b/lang/python3/files/python3-package.mk
index a345c8124..9ab2da9e9 100644
--- a/lang/python3/files/python3-package.mk
+++ b/lang/python3/files/python3-package.mk
@@ -20,7 +20,8 @@ PYTHON3:=python$(PYTHON3_VERSION)
 HOST_PYTHON3_LIB_DIR:=$(STAGING_DIR_HOST)/lib/python$(PYTHON3_VERSION)
 HOST_PYTHON3_BIN:=$(STAGING_DIR_HOST)/bin/python3
 
-PYTHON3PATH="$(PYTHON3_LIB_DIR):$(STAGING_DIR)/$(PYTHON3_PKG_DIR)"
+PYTHON3PATH:=$(PYTHON3_LIB_DIR):$(STAGING_DIR)/$(PYTHON3_PKG_DIR)
+PYTHON3PATH+=:$(PKG_INSTALL_DIR)/$(PYTHON3_PKG_DIR)
 define HostPython3
 	(	export PYTHONPATH="$(PYTHON3PATH)"; \
 		export PYTHONOPTIMIZE=""; \
@@ -79,6 +80,7 @@ endef
 # $(2) => additional arguments to setup.py
 # $(3) => additional variables
 define Build/Compile/Py3Mod
+	$(INSTALL_DIR) $(PKG_INSTALL_DIR)/$(PYTHON3_PKG_DIR)
 	$(call HostPython3, \
 		cd $(PKG_BUILD_DIR)/$(strip $(1)); \
 		CC="$(TARGET_CC)" \
diff --git a/lang/python3/patches/140-do-not-write-bytes-codes.patch b/lang/python3/patches/140-do-not-write-bytes-codes.patch
new file mode 100644
index 000000000..f624d5862
--- /dev/null
+++ b/lang/python3/patches/140-do-not-write-bytes-codes.patch
@@ -0,0 +1,22 @@
+diff --git a/Python/pythonrun.c b/Python/pythonrun.c
+index 0327830..df41cda 100644
+--- a/Python/pythonrun.c
++++ b/Python/pythonrun.c
+@@ -124,7 +124,7 @@ int Py_InteractiveFlag; /* Needed by Py_FdIsInteractive() below */
+ int Py_InspectFlag; /* Needed to determine whether to exit at SystemExit */
+ int Py_NoSiteFlag; /* Suppress 'import site' */
+ int Py_BytesWarningFlag; /* Warn on str(bytes) and str(buffer) */
+-int Py_DontWriteBytecodeFlag; /* Suppress writing bytecode files (*.py[co]) */
++int Py_DontWriteBytecodeFlag = 1; /* Suppress writing bytecode files (*.py[co]) */
+ int Py_UseClassExceptionsFlag = 1; /* Needed by bltinmodule.c: deprecated */
+ int Py_FrozenFlag; /* Needed by getpath.c */
+ int Py_IgnoreEnvironmentFlag; /* e.g. PYTHONPATH, PYTHONHOME */
+@@ -350,7 +350,7 @@ _Py_InitializeEx_Private(int install_sigs, int install_importlib)
+     if ((p = Py_GETENV("PYTHONOPTIMIZE")) && *p != '\0')
+         Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p);
+     if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
+-        Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
++        Py_DontWriteBytecodeFlag = atoi(p);
+     /* The variable is only tested for existence here; _PyRandom_Init will
+        check its value further. */
+     if ((p = Py_GETENV("PYTHONHASHSEED")) && *p != '\0')