diff --git a/build.properties b/build.properties
index 2d642624..f8a21128 100644
--- a/build.properties
+++ b/build.properties
@@ -15,7 +15,7 @@ portal.dirs=
 ## project.dir must be absolute directory
 project.dir=portal
 
-ignored.dirs=.git,.gradle,build,portal-compat,sample,support-websphere,tmp,tools
+ignored.dirs=.git,.gradle,build,node_modules,portal-compat,sample,support-websphere,tmp,tools
 
 exclude.modules=\
     hook_tmpl,\