diff --git a/Zend/zend_enum.c b/Zend/zend_enum.c
index e6731aed40d2b..8676d1166cf3a 100644
--- a/Zend/zend_enum.c
+++ b/Zend/zend_enum.c
@@ -548,12 +548,14 @@ static zend_ast_ref *create_enum_case_ast(
 	ast->child[0]->attr = 0;
 	ZEND_ASSERT(ZSTR_IS_INTERNED(class_name));
 	ZVAL_STR(zend_ast_get_zval(ast->child[0]), class_name);
+	Z_LINENO_P(zend_ast_get_zval(ast->child[0])) = 0;
 
 	ast->child[1] = (zend_ast *) p; p += sizeof(zend_ast_zval);
 	ast->child[1]->kind = ZEND_AST_ZVAL;
 	ast->child[1]->attr = 0;
 	ZEND_ASSERT(ZSTR_IS_INTERNED(case_name));
 	ZVAL_STR(zend_ast_get_zval(ast->child[1]), case_name);
+	Z_LINENO_P(zend_ast_get_zval(ast->child[1])) = 0;
 
 	if (value) {
 		ast->child[2] = (zend_ast *) p; p += sizeof(zend_ast_zval);
@@ -561,6 +563,7 @@ static zend_ast_ref *create_enum_case_ast(
 		ast->child[2]->attr = 0;
 		ZEND_ASSERT(!Z_REFCOUNTED_P(value));
 		ZVAL_COPY_VALUE(zend_ast_get_zval(ast->child[2]), value);
+		Z_LINENO_P(zend_ast_get_zval(ast->child[2])) = 0;
 	} else {
 		ast->child[2] = NULL;
 	}