diff --git a/src/system/kernel/port.cpp b/src/system/kernel/port.cpp
index 31dc726cf4..fd66ec22af 100644
--- a/src/system/kernel/port.cpp
+++ b/src/system/kernel/port.cpp
@@ -367,7 +367,7 @@ PortNotificationService::PortNotificationService()
 void
 PortNotificationService::Notify(uint32 opcode, port_id port)
 {
-	char eventBuffer[64];
+	char eventBuffer[128];
 	KMessage event;
 	event.SetTo(eventBuffer, sizeof(eventBuffer), PORT_MONITOR);
 	event.AddInt32("event", opcode);
diff --git a/src/system/kernel/thread.cpp b/src/system/kernel/thread.cpp
index 7ced38ae93..cd4a56f0a6 100644
--- a/src/system/kernel/thread.cpp
+++ b/src/system/kernel/thread.cpp
@@ -121,7 +121,7 @@ public:
 	void Notify(uint32 eventCode, team_id teamID, thread_id threadID,
 		Thread* thread = NULL)
 	{
-		char eventBuffer[128];
+		char eventBuffer[180];
 		KMessage event;
 		event.SetTo(eventBuffer, sizeof(eventBuffer), THREAD_MONITOR);
 		event.AddInt32("event", eventCode);