diff --git a/kas/config.py b/kas/config.py
index 9e6d311..88beb44 100644
--- a/kas/config.py
+++ b/kas/config.py
@@ -344,7 +344,8 @@ class ConfigStatic(Config):
 
             repo_dict = self.get_repo_dict()
             missing_repos = [repo_dict[repo_name]
-                             for repo_name in missing_repo_names]
+                             for repo_name in missing_repo_names
+                             if repo_name in repo_dict]
 
             repos_fetch(self, missing_repos)