diff --git a/atomic_reactor/utils/koji.py b/atomic_reactor/utils/koji.py
index <HASH>..<HASH> 100644
--- a/atomic_reactor/utils/koji.py
+++ b/atomic_reactor/utils/koji.py
@@ -212,18 +212,18 @@ def stream_task_output(session, task_id, file_name,
 
 
 def tag_koji_build(session, build_id, target, poll_interval=5):
-    logger.debug('Finding build tag for target %s', target)
+    logger.debug('Finding destination tag for target %s', target)
     target_info = session.getBuildTarget(target)
-    build_tag = target_info['dest_tag_name']
-    logger.info('Tagging build with %s', build_tag)
-    task_id = session.tagBuild(build_tag, build_id)
+    dest_tag = target_info['dest_tag_name']
+    logger.info('Tagging build with %s', dest_tag)
+    task_id = session.tagBuild(dest_tag, build_id)
 
     task = TaskWatcher(session, task_id, poll_interval=poll_interval)
     task.wait()
     if task.failed():
         raise RuntimeError('Task %s failed to tag koji build' % task_id)
 
-    return build_tag
+    return dest_tag
 
 
 def get_koji_task_owner(session, task_id, default=None):
Fix debug message

We're fetching the destination tag here. The build tag is something
different.