diff --git a/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/ui.kt b/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/ui.kt
index f3d117bc6bc8..c921165eb4cf 100644
--- a/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/ui.kt
+++ b/platform/platform-impl/bootstrap/src/com/intellij/platform/ide/bootstrap/ui.kt
@@ -228,6 +228,7 @@ internal fun CoroutineScope.scheduleUpdateFrameClassAndWindowIconAndPreloadSyste
 
     if (StartupUiUtil.isXToolkit()) {
       launch(CoroutineName("frame class updating")) {
+        appInfoDeferred.join()
         try {
           val toolkit = Toolkit.getDefaultToolkit()
           val aClass = toolkit.javaClass
@@ -237,7 +238,8 @@ internal fun CoroutineScope.scheduleUpdateFrameClassAndWindowIconAndPreloadSyste
               .invoke(AppUIUtil.getFrameClass())
           }
         }
-        catch (_: Throwable) {
+        catch (t: Throwable) {
+          logger<AppStarter>().warn("Failed to set WM frame class in XToolkit: $t")
         }
       }
     }