diff --git a/plugins/gitlab/src/org/jetbrains/plugins/gitlab/mergerequest/ui/details/GitLabMergeRequestDetailsChangesComponentFactory.kt b/plugins/gitlab/src/org/jetbrains/plugins/gitlab/mergerequest/ui/details/GitLabMergeRequestDetailsChangesComponentFactory.kt
index 98d2f9f5e064..30f987f7be50 100644
--- a/plugins/gitlab/src/org/jetbrains/plugins/gitlab/mergerequest/ui/details/GitLabMergeRequestDetailsChangesComponentFactory.kt
+++ b/plugins/gitlab/src/org/jetbrains/plugins/gitlab/mergerequest/ui/details/GitLabMergeRequestDetailsChangesComponentFactory.kt
@@ -31,7 +31,7 @@ internal object GitLabMergeRequestDetailsChangesComponentFactory {
           it.fold(onSuccess = {
             createChangesTree(it)
           }, onFailure = {
-            SimpleHtmlPane(it.localizedMessage)
+            SimpleHtmlPane(it.localizedMessage ?: it.message ?: "${it.javaClass.name} occurred")
           })
         } ?: LoadingLabel()
       }