diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index cbc12765a2528..ba398e18ae078 100644
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -3617,8 +3617,8 @@ static zend_always_inline zval* zend_fetch_static_property_address(zend_property
 	if (opline->op1_type == IS_CONST
 	 && (opline->op2_type == IS_CONST
 	  || (opline->op2_type == IS_UNUSED
-	   && (opline->op2.num == ZEND_FETCH_CLASS_SELF
-	    || opline->op2.num == ZEND_FETCH_CLASS_PARENT)))
+	   && ((opline->op2.num & ZEND_FETCH_CLASS_MASK) == ZEND_FETCH_CLASS_SELF
+	    || (opline->op2.num & ZEND_FETCH_CLASS_MASK) == ZEND_FETCH_CLASS_PARENT)))
 	 && EXPECTED(CACHED_PTR(cache_slot + sizeof(void *)) != NULL)) {
 		result = CACHED_PTR(cache_slot + sizeof(void *));
 		property_info = CACHED_PTR(cache_slot + sizeof(void *) * 2);