diff --git a/src/t_hash.c b/src/t_hash.c
index 2058dfd8..2f3487f6 100644
--- a/src/t_hash.c
+++ b/src/t_hash.c
@@ -159,7 +159,7 @@ size_t hashTypeGetValueLength(robj *o, robj *field) {
         robj *aux;
 
         if (hashTypeGetFromHashTable(o, field, &aux) == 0)
-            len = sdslen(aux->ptr);
+            len = stringObjectLen(aux);
     } else {
         redisPanic("Unknown hash encoding");
     }