1 files changed, 2 insertions, 2 deletions
diff --git a/string.c b/string.c
index 8ed34edfd8..b716c16b15 100644
--- a/string.c
+++ b/string.c
@@ -3674,8 +3674,8 @@ tr_find(int c, char table[256], VALUE del, VALUE nodel)
     else {
 	VALUE v = INT2NUM(c);
 
-	if ((del && !NIL_P(rb_hash_aref(del, v))) &&
-	    (!nodel || NIL_P(rb_hash_aref(nodel, v)))) {
+	if ((!del || !NIL_P(rb_hash_lookup(del, v))) &&
+	    (!nodel || NIL_P(rb_hash_lookup(nodel, v)))) {
 	    return Qtrue;
 	}
 	return Qfalse;