diff --git a/mpcdf_enable_repositories.py b/mpcdf_enable_repositories.py
index 46ed9234722faed7c7f3c0ae4f08e79c2bbeb768..93d349970ff7d854e5d62b1eb233f7576830b665 100644
--- a/mpcdf_enable_repositories.py
+++ b/mpcdf_enable_repositories.py
@@ -71,6 +71,9 @@ def do_mpcdf_enable_repositories(self, subcmd, opts, *args):
     else:
         raise osc.oscerr.WrongArgs("Too many arguments")
 
+    if project.startswith("images"):
+        raise osc.oscerr.WrongArgs("This function is not available for packages in 'images'")
+
     api_url = self.get_api_url()
 
     if opts.disable: