diff --git a/ext/sybase/php_sybase_db.c b/ext/sybase/php_sybase_db.c
index ab2f6d4d968..69cfb67f6e2 100644
--- a/ext/sybase/php_sybase_db.c
+++ b/ext/sybase/php_sybase_db.c
@@ -1354,7 +1354,7 @@ PHP_FUNCTION(sybase_result)
 	}
 
 	*return_value = *result->data[Z_LVAL_PP(row)][field_offset];
-	pval_copy_constructor(return_value);
+	zval_copy_ctor(return_value);
 }
 /* }}} */