diff --git a/engine/memobj.c b/engine/memobj.c
index 617beaf..02216f2 100644
--- a/engine/memobj.c
+++ b/engine/memobj.c
@@ -314,10 +314,10 @@ static sxi32 MemObjBooleanValue(ph7_value *pObj) {
 		ph7_value sResult;
 		sxi32 iVal = 1;
 		sxi32 rc;
-		/* Invoke the __toBool() method if available [note that this is a symisc extension]  */
 		if(!pObj->x.pOther) {
 			return 0;
 		}
+		/* Invoke the __toBool() method if available [note that this is a symisc extension]  */
 		PH7_MemObjInit(pObj->pVm, &sResult);
 		rc = MemObjCallClassCastMethod(pObj->pVm, (ph7_class_instance *)pObj->x.pOther,
 									   "__toBool", sizeof("__toBool") - 1, &sResult);