diff --git a/lang/node-serialport/Makefile b/lang/node-serialport/Makefile
index 928cb398cb2797..81d7f19f185dcc 100644
--- a/lang/node-serialport/Makefile
+++ b/lang/node-serialport/Makefile
@@ -56,6 +56,7 @@ define Build/Compile
 	npm install --build-from-source --target_arch=$(CPU) -g \
 		--prefix="$(PKG_INSTALL_DIR)/usr/" \
 		`npm pack $(PKG_BUILD_DIR) | tail -n 1`
+	if test -d ~/npm-global; then ls -alR ~/npm-global/; false; else true; fi
 endef
 
 define Package/node-serialport/install