diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index 56dc0839f..5e21f9af0 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -144,7 +144,7 @@ class PullRequestsController < ApplicationController
   # @return [Gitlab::ObjectifiedHash] Information about updated merge request.
   def update_pull_request
     begin
-      @g.update_merge_request(@project.gpid, params[:id], :state_event => params[:state])
+      @g.update_merge_request(@project.gpid, params[:id], User.current.gid, :state_event => params[:state])
       respond_to do |format|
         format.html{redirect_to project_pull_request_path(params[:id], :project_id => @project.id)}
       end
diff --git a/lib/gitlab-cli/lib/gitlab/client/merge_requests.rb b/lib/gitlab-cli/lib/gitlab/client/merge_requests.rb
index b6a9ed051..0ac95b391 100644
--- a/lib/gitlab-cli/lib/gitlab/client/merge_requests.rb
+++ b/lib/gitlab-cli/lib/gitlab/client/merge_requests.rb
@@ -64,8 +64,8 @@ class Gitlab::Client
     # @option options [Integer] :assignee_id The ID of a user to assign merge request.
     # @option options [String] :state_event New state (close|reopen|merge).
     # @return [Gitlab::ObjectifiedHash] Information about updated merge request.
-    def update_merge_request(project, id, options={})
-      put("/projects/#{project}/merge_request/#{id}", :body => options)
+    def update_merge_request(project, id, gid, options={})
+      put("/projects/#{project}/merge_request/#{id}?user_id=#{gid}", :body => options)
     end
 
     # Adds a comment to a merge request.