diff --git a/app/controllers/issues_controller.rb b/app/controllers/issues_controller.rb
index fe6a85344..4c736bb02 100644
--- a/app/controllers/issues_controller.rb
+++ b/app/controllers/issues_controller.rb
@@ -127,7 +127,7 @@ class IssuesController < ApplicationController
 
   def new
     @all_branches = []
-    get_all_branches = Gitea::Repository::BranchesService.new(@user, @repository.try(:identifier)).call
+    get_all_branches = Gitea::Repository::BranchesService.new(@user, @project.repository.try(:identifier)).call
     if get_all_branches && get_all_branches.size > 0
       get_all_branches.each do |b|
         @all_branches.push(b["name"])