diff --git a/scripts/libraries b/scripts/libraries
index 8876aadec8..0e993739f2 100755
--- a/scripts/libraries
+++ b/scripts/libraries
@@ -4,6 +4,8 @@
 # ruby supporting libraries:
 #
 
+source $rvm_scripts_path/utility
+
 action=$1 ; shift ; library=$1 ; shift ; args="$*"
 
 if [[ -z "$action" ]] ; then