diff --git a/app/services/merge_requests/merge_service.rb b/app/services/merge_requests/merge_service.rb
index 38477c1f321d5d0cf6bff670fcf8854f949ce071..ab9056a32508b54335b2d8632f0f242438d07a4b 100644
--- a/app/services/merge_requests/merge_service.rb
+++ b/app/services/merge_requests/merge_service.rb
@@ -67,9 +67,15 @@ module MergeRequests
     end
 
     def log_merge_error(message, http_error = false)
-      Rails.logger.error("MergeService error: #{message}")
+      Rails.logger.error("MergeService ERROR: #{merge_request_info} - #{message}")
 
       error(message) if http_error
     end
+
+    def merge_request_info
+      project = merge_request.project
+
+      "#{project.to_reference}#{merge_request.to_reference}"
+    end
   end
 end