1 files changed, 12 insertions, 2 deletions
diff --git a/app/controllers/projects/merge_requests_controller.rb b/app/controllers/projects/merge_requests_controller.rb
index 30f1cf4e5be..ac0a569d72a 100644
--- a/app/controllers/projects/merge_requests_controller.rb
+++ b/app/controllers/projects/merge_requests_controller.rb
@@ -352,13 +352,23 @@ class Projects::MergeRequestsController < Projects::ApplicationController
   def branch_from
     # This is always source
     @source_project = @merge_request.nil? ? @project : @merge_request.source_project
-    @commit = @repository.commit(params[:ref]) if params[:ref].present?
+
+    if params[:ref].present?
+      @ref = params[:ref]
+      @commit = @repository.commit(@ref)
+    end
+
     render layout: false
   end
 
   def branch_to
     @target_project = selected_target_project
-    @commit = @target_project.commit(params[:ref]) if params[:ref].present?
+
+    if params[:ref].present?
+      @ref = params[:ref]
+      @commit = @target_project.commit(@ref)
+    end
+
     render layout: false
   end