diff --git a/awx/main/tasks.py b/awx/main/tasks.py
index 887daac1c4..d7677c2890 100644
--- a/awx/main/tasks.py
+++ b/awx/main/tasks.py
@@ -1531,7 +1531,7 @@ class RunJob(BaseTask):
         # Set environment variables for cloud credentials.
         cred_files = private_data_files.get('credentials', {})
         for cloud_cred in job.cloud_credentials:
-            if cloud_cred and cloud_cred.credential_type.namespace == 'openstack':
+            if cloud_cred and cloud_cred.credential_type.namespace == 'openstack' and cred_files.get(cloud_cred, ''):
                 env['OS_CLIENT_CONFIG_FILE'] = to_container_path(cred_files.get(cloud_cred, ''), private_data_dir)
 
         for network_cred in job.network_credentials: