diff --git a/m2-bootstrap-all.sh b/m2-bootstrap-all.sh
index 4ea463c1b8..22ac8b47b7 100644
--- a/m2-bootstrap-all.sh
+++ b/m2-bootstrap-all.sh
@@ -54,7 +54,7 @@ ret=$?; if [ $ret != 0 ]; then exit $ret; fi
   echo "-----------------------------------------------------------------------"  
 
   cd maven-plugins
-  m2 clean:clean install
+  m2 -e clean:clean install
   ret=$?; if [ $ret != 0 ]; then exit $ret; fi
 )
 ret=$?; if [ $ret != 0 ]; then exit $ret; fi