diff --git a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
index 2f913c5..b35f66c 100644
--- a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
+++ b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
@@ -503,24 +503,28 @@
   })
 
   ajaxGet("/:owner/:repository/pulls/proposals")(readableUsersOnly { repository =>
-    (for {
+    val branches = JGitUtil.getBranches(
+      owner         = repository.owner,
+      name          = repository.name,
+      defaultBranch = repository.repository.defaultBranch,
+      origin        = repository.repository.originUserName.isEmpty
+    )
+    .filter(x => x.mergeInfo.map(_.ahead).getOrElse(0) > 0 && x.mergeInfo.map(_.behind).getOrElse(0) == 0)
+    .sortBy(br => (br.mergeInfo.isEmpty, br.commitTime))
+    .map(_.name)
+    .reverse
+
+    val targetRepository = (for {
       parentUserName <- repository.repository.parentUserName
       parentRepoName <- repository.repository.parentRepositoryName
       parentRepository <- getRepository(parentUserName, parentRepoName).orElse(Some(repository))
     } yield {
-      val branches = JGitUtil.getBranches(
-        owner         = repository.owner,
-        name          = repository.name,
-        defaultBranch = repository.repository.defaultBranch,
-        origin        = repository.repository.originUserName.isEmpty
-      )
-      .filter(x => x.mergeInfo.map(_.ahead).getOrElse(0) > 0 && x.mergeInfo.map(_.behind).getOrElse(0) == 0)
-      .sortBy(br => (br.mergeInfo.isEmpty, br.commitTime))
-      .map(_.name)
-      .reverse
+      parentRepository
+    }).getOrElse {
+      repository
+    }
 
-      html.proposals(branches, parentRepository, repository)
-    }).getOrElse(NotFound())
+    html.proposals(branches, targetRepository, repository)
   })
 
   /**