diff --git a/Zend/zend_compile.c b/Zend/zend_compile.c
index d4e7f4be7e3..39c0fa035da 100644
--- a/Zend/zend_compile.c
+++ b/Zend/zend_compile.c
@@ -1678,14 +1678,14 @@ ZEND_API int do_bind_inherited_class(zend_op *opline, HashTable *function_table,
 		ce = *pce;
 	}
 
-	ce->refcount++;
-
 	zend_do_inheritance(ce, parent_ce);
 
 	if (strchr(opline->op2.u.constant.value.str.val, ':')) {
 		return create_nested_class(class_table, opline->op2.u.constant.value.str.val, ce);
 	}
 
+	ce->refcount++;
+
 	/* Register the derived class */
 	if (zend_hash_add(class_table, opline->op2.u.constant.value.str.val, opline->op2.u.constant.value.str.len+1, pce, sizeof(zend_class_entry *), NULL)==FAILURE) {
 		zend_error(E_ERROR, "Cannot redeclare class %s", opline->op2.u.constant.value.str.val);