diff --git a/reactos/ntoskrnl/ob/security.c b/reactos/ntoskrnl/ob/security.c
index 8ed7e882a5b..580ff6aa333 100644
--- a/reactos/ntoskrnl/ob/security.c
+++ b/reactos/ntoskrnl/ob/security.c
@@ -264,7 +264,7 @@ ObLogSecurityDescriptor(IN PSECURITY_DESCRIPTOR InputSecurityDescriptor,
 {
     /* HACK: Return the same descriptor back */
     PSECURITY_DESCRIPTOR SdCopy;
-    DPRINT1("ObLogSecurityDescriptor is not implemented! %lx\n", InputSecurityDescriptor->Revision);
+    DPRINT1("ObLogSecurityDescriptor is not implemented!\n", InputSecurityDescriptor);
 
     SdCopy = ExAllocatePool(PagedPool, sizeof(*SdCopy));
     RtlMoveMemory(SdCopy, InputSecurityDescriptor, sizeof(*SdCopy));