diff --git a/iguana/exchanges/LP_bitcoin.c b/iguana/exchanges/LP_bitcoin.c
index e89772438..87085839c 100644
--- a/iguana/exchanges/LP_bitcoin.c
+++ b/iguana/exchanges/LP_bitcoin.c
@@ -2281,7 +2281,7 @@ int32_t bitcoin_priv2wif(char *symbol,uint8_t wiftaddr,char *wifstr,bits256 priv
     memcpy(data+offset,privkey.bytes,len);
     data[offset + len++] = 1;
     len = base58encode_checkbuf(symbol,wiftaddr,addrtype,data,len);
-    if ( bitcoin_base58encode(wifstr,data,len) == 0 )
+    if ( bitcoin_base58encode(wifstr,data,len+offset) == 0 )
     {
         char str[65]; printf("error making wif from %s\n",bits256_str(str,privkey));
         return(-1);