diff --git a/src/cc/musig.cpp b/src/cc/musig.cpp
index 6b2e7abca..172958fba 100644
--- a/src/cc/musig.cpp
+++ b/src/cc/musig.cpp
@@ -696,7 +696,7 @@ UniValue musig_spend(uint64_t txfee,struct CCcontract_info *cp,cJSON *params)
             prevhash = juint256(jitem(params,0));
             scriptstr = jstr(jitem(params,1),0);
             musigstr = jstr(jitem(params,2),0);
-            printf("script.(%s) musig.(%s) %d\n",scriptstr,musigstr,(int32_t)strlen(musigstr));
+            printf("script.(%s) %d musig.(%s) %d\n",scriptstr,is_hexstr(scriptstr,0),musigstr,is_hexstr(musigstr,0));
             if ( is_hexstr(scriptstr,0) != 0 && is_hexstr(musigstr,0) != 128 )
             {
                 if ( txfee == 0 )