diff --git a/utbot-ui-commons/src/main/kotlin/org/utbot/intellij/plugin/ui/Notifications.kt b/utbot-ui-commons/src/main/kotlin/org/utbot/intellij/plugin/ui/Notifications.kt
index 5891e48f8b..a5190f9769 100644
--- a/utbot-ui-commons/src/main/kotlin/org/utbot/intellij/plugin/ui/Notifications.kt
+++ b/utbot-ui-commons/src/main/kotlin/org/utbot/intellij/plugin/ui/Notifications.kt
@@ -37,7 +37,7 @@ abstract class Notifier {
     protected open val notificationDisplayType = NotificationDisplayType.BALLOON
 
     protected val notificationGroup: NotificationGroup
-        get() = NotificationGroup(displayId, notificationDisplayType)
+        get() = NotificationGroup.findRegisteredGroup(displayId) ?: NotificationGroup(displayId, notificationDisplayType)
 }
 
 abstract class WarningNotifier : Notifier() {