diff --git a/lib/cinder b/lib/cinder
index 20d6e61..96d2505 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -199,7 +199,7 @@
     fi
 
     TEMPFILE=`mktemp`
-    echo "$USER ALL=(root) NOPASSWD: $ROOTWRAP_CINDER_SUDOER_CMD" >$TEMPFILE
+    echo "$STACK_USER ALL=(root) NOPASSWD: $ROOTWRAP_CINDER_SUDOER_CMD" >$TEMPFILE
     chmod 0440 $TEMPFILE
     sudo chown root:root $TEMPFILE
     sudo mv $TEMPFILE /etc/sudoers.d/cinder-rootwrap