diff --git a/gitlab-changelog.py b/gitlab-changelog.py
index 8dec84209faa80600bfc41f2deed6e26871ae700..26656be9195147b627256ac9bd55d558c273e949 100644
--- a/gitlab-changelog.py
+++ b/gitlab-changelog.py
@@ -60,7 +60,10 @@ from gi.repository import GLib, GnomeDesktop  # noqa: E402
 def get_commit_translations(commit):
     """Return a potentially empty set of locale codes changed by this
        commit."""
-    diff = commit.diff(commit.hexsha + '~1')
+    try:
+        diff = commit.diff(commit.hexsha + '~1')
+    except:
+        return set([])
     locales = []
 
     for item in diff: