diff --git a/releng/org.eclipse.cdt.releng/build.sh b/releng/org.eclipse.cdt.releng/build.sh
index e8da0d19d26..0a9af52949d 100644
--- a/releng/org.eclipse.cdt.releng/build.sh
+++ b/releng/org.eclipse.cdt.releng/build.sh
@@ -1,3 +1,5 @@
+umask 0022
+
 cd `dirname $0`
 
 mkdir -p tools