diff --git a/src/cn-create.c b/src/cn-create.c
index 4ddce3b..b2f822c 100644
--- a/src/cn-create.c
+++ b/src/cn-create.c
@@ -36,7 +36,7 @@ cn_cbor* cn_cbor_data_create(const uint8_t* data, int len
 
   ret->type = CN_CBOR_BYTES;
   ret->length = len;
-  ret->v.str = (const char*) data; // TODO: add v.ustr to the union?
+  ret->v.bytes = data;
 
   return ret;
 }