diff --git a/lang/node-arduino-firmata/Makefile b/lang/node-arduino-firmata/Makefile
index b88b2c43e..a21b23348 100644
--- a/lang/node-arduino-firmata/Makefile
+++ b/lang/node-arduino-firmata/Makefile
@@ -52,6 +52,7 @@ define Build/Compile
 	$(MAKE_FLAGS) \
 	npm_config_arch=$(CONFIG_ARCH) \
 	npm_config_nodedir=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/ \
+	npm_config_cache=$(BUILD_DIR)/node-v$(PKG_NODE_VERSION)/npm-cache \
 	PREFIX="$(PKG_INSTALL_DIR)/usr/" \
 	$(STAGING_DIR)/host/bin/npm install -g $(PKG_BUILD_DIR)
 endef