diff --git a/reactos/win32ss/gdi/ntgdi/gdiobj.c b/reactos/win32ss/gdi/ntgdi/gdiobj.c
index c03d5c14d44..e96eb7006fd 100644
--- a/reactos/win32ss/gdi/ntgdi/gdiobj.c
+++ b/reactos/win32ss/gdi/ntgdi/gdiobj.c
@@ -559,6 +559,10 @@ GDIOBJ_vDereferenceObject(POBJ pobj)
     if (ulIndex)
     {
         /* Decrement reference count */
+        if ((gpaulRefCount[ulIndex] & REF_MASK_COUNT) == 0)
+        {
+            DBG_DUMP_EVENT_LIST(&pobj->slhLog);
+        }
         ASSERT((gpaulRefCount[ulIndex] & REF_MASK_COUNT) > 0);
         cRefs = InterlockedDecrement((LONG*)&gpaulRefCount[ulIndex]);
         DBG_LOGEVENT(&pobj->slhLog, EVENT_DEREFERENCE, cRefs);