diff --git a/src/cc/CCutils.cpp b/src/cc/CCutils.cpp
index 01e9d35ab..e03564971 100644
--- a/src/cc/CCutils.cpp
+++ b/src/cc/CCutils.cpp
@@ -198,6 +198,14 @@ bool Getscriptaddress(char *destaddr,const CScript &scriptPubKey)
     return(false);
 }
 
+bool pubkey2addr(char *destaddr,uint8_t *pubkey33)
+{
+    std::vector<uint8_t>pk; int32_t i;
+    for (i=0; i<33; i++)
+        pk.push_back(pubkey33[i]);
+    return(Getscriptaddress(destaddr,CScript() << pk << OP_CHECKSIG));
+}
+
 CPubKey CCtxidaddr(char *txidaddr,uint256 txid)
 {
     uint8_t buf33[33]; CPubKey pk;
diff --git a/src/komodo_globals.h b/src/komodo_globals.h
index cc5104d12..f352b5333 100644
--- a/src/komodo_globals.h
+++ b/src/komodo_globals.h
@@ -29,6 +29,7 @@ uint64_t komodo_paxtotal();
 int32_t komodo_longestchain();
 uint64_t komodo_maxallowed(int32_t baseid);
 int32_t komodo_bannedset(int32_t *indallvoutsp,uint256 *array,int32_t max);
+bool pubkey2addr(char *destaddr,uint8_t *pubkey33);
 
 pthread_mutex_t komodo_mutex;
 
diff --git a/src/komodo_notary.h b/src/komodo_notary.h
index 7a6fb8a6b..2f23bfbf7 100644
--- a/src/komodo_notary.h
+++ b/src/komodo_notary.h
@@ -199,20 +199,24 @@ const char *Notaries_elected1[][2] =
 };
 #define CRYPTO777_PUBSECPSTR "020e46e79a2a8d12b9b5d12c7a91adb4e454edfae43c0a0cb805427d2ac7613fd9"
 
-int32_t komodo_isnotaryvout(uint8_t *script) // from ac_private chains only
+int32_t komodo_isnotaryvout(char *coinaddr) // from ac_private chains only
 {
-    uint8_t pubkey33[33]; int32_t i;
-    if ( script[0] == 33 && script[34] == 0xac )
+    static int32_t didinit; static char notaryaddrs[65][64];
+    if ( didinit == 0 )
     {
+        uint8_t pubkey33[33];
         for (i=0; i<=sizeof(Notaries_elected1)/sizeof(*Notaries_elected1); i++)
         {
             if ( i < sizeof(Notaries_elected1)/sizeof(*Notaries_elected1) )
                 decode_hex(pubkey33,33,(char *)Notaries_elected1[i][1]);
             else decode_hex(pubkey33,33,(char *)CRYPTO777_PUBSECPSTR);
-            if ( memcmp(script+1,pubkey33,33) == 0 )
-                return(1);
+            pubkey2addr(notaryaddrs[i],pubkey33);
         }
+        didinit = 1;
     }
+    for (i=0; i<=sizeof(Notaries_elected1)/sizeof(*Notaries_elected1); i++)
+        if ( strcmp(coinaddr,notaryaddrs[i]) == 0 )
+            return(1);
     return(0);
 }
 
diff --git a/src/main.cpp b/src/main.cpp
index 0fdf80892..dd3a054d1 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -60,7 +60,8 @@ extern int32_t KOMODO_LOADINGBLOCKS,KOMODO_LONGESTCHAIN,KOMODO_INSYNC,KOMODO_CON
 int32_t KOMODO_NEWBLOCKS;
 int32_t komodo_block2pubkey33(uint8_t *pubkey33,CBlock *block);
 void komodo_broadcast(CBlock *pblock,int32_t limit);
-int32_t komodo_isnotaryvout(CScript scriptPubKey);
+int32_t komodo_isnotaryvout(char *destaddr);
+bool Getscriptaddress(char *destaddr,const CScript &scriptPubKey);
 
 BlockMap mapBlockIndex;
 CChain chainActive;
@@ -1121,7 +1122,9 @@ bool CheckTransactionWithoutProofVerification(const CTransaction& tx, CValidatio
             //fprintf(stderr,"private chain nValue %.8f iscoinbase.%d\n",(double)txout.nValue/COIN,iscoinbase);
             if ( (txout.nValue > 0 && iscoinbase == 0) || tx.GetJoinSplitValueOut() > 0 )
             {
-                if ( txout.scriptPubKey.size() == 35 && komodo_isnotaryvout((uint8_t *)txout.scriptPubKey.data()) == 0 )
+                char destaddr[65];
+                Getscriptaddress(destaddr,txout.scriptPubKey);
+                if ( komodo_isnotaryvout(destaddr) == 0 )
                     return state.DoS(100, error("CheckTransaction(): this is a private chain, no public allowed"),REJECT_INVALID, "bad-txns-acprivacy-chain");
             }
         }