diff --git a/Zend/zend_execute.c b/Zend/zend_execute.c
index 0b394d758a8..9baab66271a 100644
--- a/Zend/zend_execute.c
+++ b/Zend/zend_execute.c
@@ -2555,8 +2555,10 @@ int zend_do_fcall_common_helper(ZEND_OPCODE_HANDLER_ARGS)
 			zend_hash_destroy(EX(function_state).function_symbol_table);
 			FREE_HASHTABLE(EX(function_state).function_symbol_table);
 		} else {
-			*(++EG(symtable_cache_ptr)) = EX(function_state).function_symbol_table;
+			/* clean before putting into the cache, since clean
+			   could call dtors, which could use cached hash */
 			zend_hash_clean(*EG(symtable_cache_ptr));
+			*(++EG(symtable_cache_ptr)) = EX(function_state).function_symbol_table;
 		}
 		EG(active_symbol_table) = calling_symbol_table;
 	} else { /* ZEND_OVERLOADED_FUNCTION */