diff --git a/lib/galaxy/jobs/runners/condor.py b/lib/galaxy/jobs/runners/condor.py
index afa0217236e..fd444d1445f 100644
--- a/lib/galaxy/jobs/runners/condor.py
+++ b/lib/galaxy/jobs/runners/condor.py
@@ -66,7 +66,7 @@ class CondorJobRunner( AsynchronousJobRunner ):
         container = None
         universe = query_params.get('universe', None)
         if universe and universe.strip().lower() == 'docker':
-            container = self.find_container( job_wrapper )
+            container = self._find_container( job_wrapper )
             if container:
                 # HTCondor needs the image as 'docker_image'
                 query_params.update({'docker_image': container})