diff --git a/mpcdf_common.py b/mpcdf_common.py
index 20f2b676aedb3bdd310cc6209bc2e44e434ce737..f7cbf863e6068e0c781d5aab32eeacd9bfa89745 100644
--- a/mpcdf_common.py
+++ b/mpcdf_common.py
@@ -190,7 +190,9 @@ def mpcdf_enable_repositories(api_url, project, package, verbose=False, filter_r
         try:
             return get_attribute_values(api_url, project, package, "MPCDF:" + attribute, with_project=with_project)
         except UnsetAttributeException:
-            print("ERROR: Attribute MPCDF:" + attribute + " is not set, aborting here", file=sys.stderr)
+            print("ERROR: Attribute MPCDF:" + attribute + " is not set for "
+                  + ("package '{0}'".format(package) if package else "project '{0}'".format(project))
+                  + ", aborting here", file=sys.stderr)
             raise SystemExit(1)
 
     compilers = try_get_attribute(package, "compiler_modules", with_project=True)