diff --git a/src/assets/javascripts/patches/source/index.ts b/src/assets/javascripts/patches/source/index.ts
index 935587daf..cf89a968d 100644
--- a/src/assets/javascripts/patches/source/index.ts
+++ b/src/assets/javascripts/patches/source/index.ts
@@ -74,8 +74,8 @@ function fetchSourceFacts(
 
     /* GitLab repository */
     case "gitlab":
-      const [, base, project] = url.match(/^.+?([^\/]*gitlab[^\/]+)\/(.+)/i)
-      return fetchSourceFactsFromGitLab(base, project)
+      const [, base, slug] = url.match(/^.+?([^\/]*gitlab[^\/]+)\/(.+?)\/?$/i)
+      return fetchSourceFactsFromGitLab(base, slug)
 
     /* Everything else */
     default: