diff --git a/scripts/get_integration_sources.py b/scripts/get_integration_sources.py
index ee1dd20dd40175cd63014b0dfdbdd6180fe19653..4849abc97c77eb214fa2b7310eed8bb318351c16 100755
--- a/scripts/get_integration_sources.py
+++ b/scripts/get_integration_sources.py
@@ -1,6 +1,7 @@
 #!/usr/bin/env python3
 import argparse
 import re
+import sys
 
 from gitlab import Gitlab, GitlabGetError
 from gitlab.v4.objects import Group
@@ -48,7 +49,8 @@ def get_integration_sources(manifest_project: str, manifest_branch: str, group:
                 pass
             elif e.response_code == 403:  # forbidden
                 print(
-                    f"Warning: No permissions to the shared project {project.path_with_namespace}. Skipping it."
+                    f"Warning: No permissions to the shared project {project.path_with_namespace}. Skipping it.",
+                    file=sys.stderr,
                 )
             else:
                 raise