diff --git a/CHANGELOG.md b/CHANGELOG.md
index f1adfba3d..9bbc1692c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ x
 <!-- Your comment below this -->
 
 - Update `parse-diff` library - [@417-72KI]
+- Fix repository slug in Jenkins provider - [sandratatarevicova]
 
   <!-- Your comment above this -->
 
diff --git a/source/ci_source/providers/Jenkins.ts b/source/ci_source/providers/Jenkins.ts
index 4efc10af0..ca64bc297 100644
--- a/source/ci_source/providers/Jenkins.ts
+++ b/source/ci_source/providers/Jenkins.ts
@@ -75,7 +75,7 @@ export class Jenkins implements CISource {
 
       return result.repo
     }
-    return this.env.ghprbGhRepository || this.env.gitlabTargetNamespace + "/" + this.env.gitlabTargetRepoName
+    return this.env.ghprbGhRepository || new URL(this.env.GIT_URL_1).pathname.replace(/^\/(.*)\.git$/, "$1")
   }
 
   get ciRunURL() {