diff --git a/iguana/SuperNET_keys.c b/iguana/SuperNET_keys.c
index abf9d8794..21deff04d 100755
--- a/iguana/SuperNET_keys.c
+++ b/iguana/SuperNET_keys.c
@@ -88,7 +88,9 @@ char *SuperNET_parsemainargs(struct supernet_info *myinfo,bits256 *wallethashp,b
                 coinargs = argjsonstr;
         }
     }
-    //if ( exchanges != 0 )
+    if ( exchanges == 0 )
+        exchanges = cJSON_Parse("[\"poloniex\", \"bittrex\", \"btc38\"]");
+    if ( exchanges != 0 )
         exchanges777_init(myinfo,exchanges,0);
     if ( json != 0 )
         free_json(json);