diff --git a/src/cc/assets.cpp b/src/cc/assets.cpp
index 331959a37..1892a383f 100644
--- a/src/cc/assets.cpp
+++ b/src/cc/assets.cpp
@@ -322,7 +322,7 @@ bool AssetsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx
             fprintf(stderr,"fill validated\n");
             break;
         case 'E': // fillexchange
-            return(false);
+            return eval->Invalid("unexpected assets funcid");
             break; // disable asset swaps
             //vin.0: normal input
             //vin.1: unspendable.(vout.0 assetoshis from selloffer) sellTx.vout[0]
@@ -374,7 +374,7 @@ bool AssetsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx
             break;
         default:
             fprintf(stderr,"illegal assets funcid.(%c)\n",funcid);
-            return(false);
+            return eval->Invalid("unexpected assets funcid");
             break;
    }
     return(PreventCC(eval,tx,preventCCvins,numvins,preventCCvouts,numvouts));
diff --git a/src/cc/dice.cpp b/src/cc/dice.cpp
index a86fbea0c..c83ecf17a 100644
--- a/src/cc/dice.cpp
+++ b/src/cc/dice.cpp
@@ -607,7 +607,7 @@ bool DiceValidate(struct CCcontract_info *cp,Eval *eval,const CTransaction &tx)
                     break;
                 default:
                     fprintf(stderr,"illegal dice funcid.(%c)\n",funcid);
-                    return(false);
+                    return eval->Invalid("unexpected dice funcid");
                     break;
             }
         }
diff --git a/src/cc/oracles.cpp b/src/cc/oracles.cpp
index 5abeada8e..168f62313 100644
--- a/src/cc/oracles.cpp
+++ b/src/cc/oracles.cpp
@@ -651,7 +651,7 @@ bool OraclesValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &t
                     break;
                 default:
                     fprintf(stderr,"illegal oracles funcid.(%c)\n",script[1]);
-                    return(false);
+                    return eval->Invalid("unexpected OraclesValidate funcid");
                     break;
             }
         }
diff --git a/src/cc/rewards.cpp b/src/cc/rewards.cpp
index dd637a342..dc4c3be96 100644
--- a/src/cc/rewards.cpp
+++ b/src/cc/rewards.cpp
@@ -289,7 +289,7 @@ bool RewardsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &t
                     break;
                 default:
                     fprintf(stderr,"illegal rewards funcid.(%c)\n",funcid);
-                    return(false);
+                    return eval->Invalid("unexpected rewards funcid");
                     break;
             }
         }