diff --git a/Makefile b/Makefile
index 29f6e59..ce5d071 100644
--- a/Makefile
+++ b/Makefile
@@ -97,7 +97,7 @@ libs/NopSCADlib:
 
 public/libraries/NopSCADlib.zip: libs/NopSCADlib
 	mkdir -p public/libraries
-	( cd libs/NopSCADlib ; zip -r ../../public/libraries/NopSCADlib.zip `find . -name '*.scad' | grep -v tests` COPYING )
+	( cd libs/NopSCADlib ; zip -r ../../public/libraries/NopSCADlib.zip `find . -name '*.scad'` COPYING )
 
 libs/funcutils: 
 	git clone --recurse https://github.com/thehans/funcutils.git ${SHALLOW} ${SINGLE_BRANCH} $@