diff --git a/reactos/include/reactos/mc/bugcodes.mc b/reactos/include/reactos/mc/bugcodes.mc
index 9583b39e94b..b3f8dac9cb1 100644
--- a/reactos/include/reactos/mc/bugcodes.mc
+++ b/reactos/include/reactos/mc/bugcodes.mc
@@ -1397,6 +1397,14 @@ Language=English
 MultiProcessor Kernel
 .
 
+MessageId=0x8A
+Severity=Informational
+Facility=System
+SymbolicName=THREAD_TERMINATE_HELD_MUTEX
+Language=English
+A kernel thread terminated while holding a mutex
+.
+
 MessageId=0x9D
 Severity=Informational
 Facility=System
diff --git a/reactos/ntoskrnl/ke/thrdobj.c b/reactos/ntoskrnl/ke/thrdobj.c
index 14520ebecf0..500ffd05fbc 100644
--- a/reactos/ntoskrnl/ke/thrdobj.c
+++ b/reactos/ntoskrnl/ke/thrdobj.c
@@ -416,7 +416,7 @@ KeRundownThread(VOID)
         if (Mutant->ApcDisable)
         {
             /* Bugcheck the system */
-            KEBUGCHECKEX(0, //THREAD_TERMINATE_HELD_MUTEX,
+            KeBugCheckEx(THREAD_TERMINATE_HELD_MUTEX,
                          (ULONG_PTR)Thread,
                          (ULONG_PTR)Mutant,
                          0,