diff --git a/src/main.cpp b/src/main.cpp
index 0e1b84341..840ab46f6 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -676,14 +676,18 @@ bool IsStandardTx(const CTransaction& tx, string& reason)
     txnouttype whichType;
     BOOST_FOREACH(const CTxOut& txout, tx.vout)
     {
-        if (!::IsStandard(txout.scriptPubKey, whichType)) {
-            reason = "scriptpubkey";
-            fprintf(stderr,"vout.%d nDataout.%d\n",v,nDataOut);
+        if (!::IsStandard(txout.scriptPubKey, whichType))
+        {
+            reason = "scriptpubkeyA";
+            fprintf(stderr,">>>>>>>>>>>>>>> vout.%d nDataout.%d\n",v,nDataOut);
             return false;
         }
         
         if (whichType == TX_NULL_DATA)
+        {
             nDataOut++;
+            fprintf(stderr,"is OP_RETURN\n");
+        }
         else if ((whichType == TX_MULTISIG) && (!fIsBareMultisigStd)) {
             reason = "bare-multisig";
             return false;
diff --git a/src/script/standard.cpp b/src/script/standard.cpp
index 91c45c93e..0fb38fb95 100644
--- a/src/script/standard.cpp
+++ b/src/script/standard.cpp
@@ -143,9 +143,11 @@ bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, vector<vector<unsi
             else if (opcode2 == OP_SMALLDATA)
             {
                 // small pushdata, <= nMaxDatacarrierBytes
-                fprintf(stderr,"size.%d > nMaxDatacarrier.%d\n",(int32_t)vch1.size(),(int32_t)nMaxDatacarrierBytes);
                 if (vch1.size() > nMaxDatacarrierBytes)
+                {
+                    fprintf(stderr,"size.%d > nMaxDatacarrier.%d\n",(int32_t)vch1.size(),(int32_t)nMaxDatacarrierBytes);
                     break;
+                }
             }
             else if (opcode1 != opcode2 || vch1 != vch2)
             {
@@ -203,7 +205,8 @@ bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType)
         if (m < 1 || m > n)
             return false;
     }
-
+    if ( whichtype == TX_NONSTANDARD )
+        fprintf(stderr,"IsStandard nonstandard tx\n");
     return whichType != TX_NONSTANDARD;
 }