--- CBOR-XS/XS.xs	2013/11/20 14:59:06	1.21
+++ CBOR-XS/XS.xs	2013/11/20 15:05:46	1.22
@@ -227,7 +227,7 @@
 {
   if (ecb_expect_false (enc->cbor.flags & F_DEDUP_STRINGS))
     {
-      SV **svp = hv_fetch (enc->stringref[utf8], str, len, 1);
+      SV **svp = hv_fetch (enc->stringref[!!utf8], str, len, 1);
 
       if (SvOK (*svp))
         {