diff --git a/sdk/node/Makefile b/sdk/node/Makefile
index 4a5cecac0d3..7637d6912ab 100644
--- a/sdk/node/Makefile
+++ b/sdk/node/Makefile
@@ -79,4 +79,4 @@ clean:
 	@echo "[CLEAN]"
 	-rm -rf node_modules
 	-rm -rf doc
-	-find lib | grep -v "protos/google" | grep -v "hash.js" | xargs rm
+	-find lib -type f | grep -v "protos/google" | grep -v "hash.js" | xargs rm