diff --git a/iguana/dPoW.h b/iguana/dPoW.h
index b9c806590..1cc62863c 100755
--- a/iguana/dPoW.h
+++ b/iguana/dPoW.h
@@ -43,11 +43,12 @@
 #define DPOW_KOMODOCONFIRMS 3
 #define DPOW_BTCCONFIRMS 1
 #define DPOW_MAXRELAYS 64
+#define DPOW_MAXSIGLEN 128
 
 struct dpow_coinentry
 {
     bits256 prev_hash;
-    uint8_t siglens[DPOW_MAXRELAYS],sigs[DPOW_MAXRELAYS][76];
+    uint8_t siglens[DPOW_MAXRELAYS],sigs[DPOW_MAXRELAYS][DPOW_MAXSIGLEN];
     int32_t prev_vout;
 };
 
@@ -66,7 +67,7 @@ struct dpow_entry
     int32_t height; uint32_t pendingcrcs[2];
     uint16_t ratifysrcvout,ratifydestvout;
     int8_t bestk,ratifybestk;
-    uint8_t pubkey[33],ratifysigs[2][76],ratifysiglens[2];
+    uint8_t pubkey[33],ratifysigs[2][DPOW_MAXSIGLEN],ratifysiglens[2];
     struct dpow_coinentry src,dest;
 };
 
@@ -75,7 +76,7 @@ struct dpow_sigentry
     bits256 beacon;
     uint64_t mask;
     int32_t refcount;
-    uint8_t senderind,lastk,siglen,sig[76],senderpub[33];
+    uint8_t senderind,lastk,siglen,sig[DPOW_MAXSIGLEN],senderpub[33];
 };
 
 struct komodo_notaries
@@ -103,7 +104,7 @@ struct dpow_block
     int32_t rawratifiedlens[2],height,numnotaries,numerrors,completed,minsigs,duration,numratified,isratify,require0,scores[DPOW_MAXRELAYS];
     int8_t bestk,ratifybestk,pendingbestk,pendingratifybestk;
     cJSON *ratified;
-    uint8_t myind,ratified_pubkeys[DPOW_MAXRELAYS][33],ratifysigs[2][76],ratifysiglens[2];
+    uint8_t myind,ratified_pubkeys[DPOW_MAXRELAYS][33],ratifysigs[2][DPOW_MAXSIGLEN],ratifysiglens[2];
     char handles[DPOW_MAXRELAYS][32];
     char signedtx[32768]; uint8_t ratifyrawtx[2][32768]; uint32_t pendingcrcs[2];
 };
diff --git a/iguana/dpow/dpow_network.c b/iguana/dpow/dpow_network.c
index 88d5bdd5c..36ace8186 100755
--- a/iguana/dpow/dpow_network.c
+++ b/iguana/dpow/dpow_network.c
@@ -22,7 +22,7 @@ struct dpow_nanoutxo
     uint64_t bestmask,recvmask;
     uint32_t pendingcrcs[2];
     uint16_t srcvout,destvout;
-    uint8_t sigs[2][76],siglens[2],bestk,pad;
+    uint8_t sigs[2][DPOW_MAXSIGLEN],siglens[2],bestk,pad;
 } PACKED;
 
 struct dpow_nanomsghdr
@@ -183,7 +183,7 @@ void dpow_nanoutxoset(struct dpow_nanoutxo *np,struct dpow_block *bp,int32_t isr
     }
 }
 
-void dpow_ratify_update(struct supernet_info *myinfo,struct dpow_info *dp,struct dpow_block *bp,uint8_t senderind,int8_t bestk,uint64_t bestmask,uint64_t recvmask,bits256 srcutxo,uint16_t srcvout,bits256 destutxo,uint16_t destvout,uint8_t siglens[2],uint8_t sigs[2][76],uint32_t pendingcrcs[2])
+void dpow_ratify_update(struct supernet_info *myinfo,struct dpow_info *dp,struct dpow_block *bp,uint8_t senderind,int8_t bestk,uint64_t bestmask,uint64_t recvmask,bits256 srcutxo,uint16_t srcvout,bits256 destutxo,uint16_t destvout,uint8_t siglens[2],uint8_t sigs[2][DPOW_MAXSIGLEN],uint32_t pendingcrcs[2])
 {
     int8_t bestks[64]; int32_t counts[64],i,j,numcrcs=0,numdiff,besti,best,bestmatches = 0,matches = 0; uint64_t masks[64],matchesmask; uint32_t crcval=0;
     //char str[65],str2[65];
@@ -346,7 +346,7 @@ void dpow_ratify_update(struct supernet_info *myinfo,struct dpow_info *dp,struct
     }
 }
 
-void dpow_notarize_update(struct supernet_info *myinfo,struct dpow_info *dp,struct dpow_block *bp,uint8_t senderind,int8_t bestk,uint64_t bestmask,uint64_t recvmask,bits256 srcutxo,uint16_t srcvout,bits256 destutxo,uint16_t destvout,uint8_t siglens[2],uint8_t sigs[2][76])
+void dpow_notarize_update(struct supernet_info *myinfo,struct dpow_info *dp,struct dpow_block *bp,uint8_t senderind,int8_t bestk,uint64_t bestmask,uint64_t recvmask,bits256 srcutxo,uint16_t srcvout,bits256 destutxo,uint16_t destvout,uint8_t siglens[2],uint8_t sigs[2][DPOW_MAXSIGLEN])
 {
     int32_t i,bestmatches = 0,matches = 0;
     if ( bp->isratify == 0 && bp->state != 0xffffffff && senderind >= 0 && senderind < bp->numnotaries && bits256_nonz(srcutxo) != 0 && bits256_nonz(destutxo) != 0 )