diff --git a/playbooks/koji/config_builder.yml b/playbooks/koji/config_builder.yml
index 6781f123ec..aea96b6079 100644
--- a/playbooks/koji/config_builder.yml
+++ b/playbooks/koji/config_builder.yml
@@ -17,7 +17,7 @@
     - perl
 
   - name: set root passwd
-    action: user name=root password=$rootpw state=present
+    action: user name=root password=$builder_rootpw state=present
 
   - name: add mock user as 425
     action: user name=mock uid=425 state=present home=/var/lib/mock createhome=yes system=yes