diff --git a/reactos/ntoskrnl/include/internal/trap_x.h b/reactos/ntoskrnl/include/internal/trap_x.h
index 09d17ed94e3..dadd25d61fa 100644
--- a/reactos/ntoskrnl/include/internal/trap_x.h
+++ b/reactos/ntoskrnl/include/internal/trap_x.h
@@ -34,7 +34,7 @@ FORCEINLINE
 KiUserTrap(IN PKTRAP_FRAME TrapFrame)
 {
     /* Anything else but Ring 0 is Ring 3 */
-    return (TrapFrame->SegCs & MODE_MASK);
+    return !!(TrapFrame->SegCs & MODE_MASK);
 }
 
 //