diff --git a/packages/backend-common/src/reading/GitlabUrlReader.ts b/packages/backend-common/src/reading/GitlabUrlReader.ts
index 5bc234daef..eaa15a7208 100644
--- a/packages/backend-common/src/reading/GitlabUrlReader.ts
+++ b/packages/backend-common/src/reading/GitlabUrlReader.ts
@@ -125,8 +125,12 @@ export class GitlabUrlReader implements UrlReader {
     );
 
     // Considering self hosted gitlab with relative
+    // assuming '/gitlab' is the relative path
+    // from: /gitlab/repo/project
+    // to: repo/project
     if (relativePath) {
-      repoFullName = trimStart(full_name, relativePath);
+      const rectifiedRelativePath = `${trimStart(relativePath, '/')}/`;
+      repoFullName = full_name.replace(rectifiedRelativePath, '');
     }
 
     // Use GitLab API to get the default branch