diff --git a/iguana/exchanges/LP_nativeDEX.c b/iguana/exchanges/LP_nativeDEX.c
index 2681d5dad..7f61ccc17 100644
--- a/iguana/exchanges/LP_nativeDEX.c
+++ b/iguana/exchanges/LP_nativeDEX.c
@@ -35,6 +35,7 @@ char USERPASS[65],USERPASS_WIFSTR[64],LP_myipaddr[64],USERHOME[512] = { "/root"
 char *default_LPnodes[] = { "5.9.253.195", "5.9.253.196", "5.9.253.197", "5.9.253.198", "5.9.253.199", "5.9.253.200", "5.9.253.201", "5.9.253.202", "5.9.253.203", };//"5.9.253.204" }; //
 
 uint32_t LP_deadman_switch;
+uint16_t LP_fixed_pairport;
 int32_t LP_mypubsock = -1;
 int32_t USERPASS_COUNTER,IAMLP = 0;
 double LP_profitratio = 1.;
@@ -402,12 +403,15 @@ void LPinit(uint16_t myport,uint16_t mypullport,uint16_t mypubport,double profit
     if ( jobj(argjson,"canbind") == 0 )
     {
 #ifndef __linux__
-        LP_canbind = IAMLP;
+        LP_canbind = 1;
 #else
         LP_canbind = IAMLP;
 #endif
-    }
-    else LP_canbind = jint(argjson,"canbind");
+    } else LP_canbind = jint(argjson,"canbind");
+    if ( LP_canbind > 1000 && LP_canbind < 65536 )
+        LP_fixed_pairport = LP_canbind;
+    if ( LP_canbind != 0 )
+        LP_canbind = 1;
     srand((int32_t)n);
     if ( userhome != 0 && userhome[0] != 0 )
     {
diff --git a/iguana/exchanges/LP_ordermatch.c b/iguana/exchanges/LP_ordermatch.c
index 3bc28c3b7..7d16f4b6b 100644
--- a/iguana/exchanges/LP_ordermatch.c
+++ b/iguana/exchanges/LP_ordermatch.c
@@ -350,6 +350,8 @@ int32_t LP_nanobind(void *ctx,char *pairstr)
             for (i=0; i<10; i++)
             {
                 r = (10000 + (rand() % 50000)) & 0xffff;
+                if ( LP_fixed_pairport != 0 )
+                    r = LP_fixed_pairport;
                 nanomsg_transportname(0,pairstr,LP_myipaddr,r);
                 nanomsg_transportname(1,bindaddr,LP_myipaddr,r);
                 if ( nn_bind(pairsock,bindaddr) >= 0 )
@@ -360,6 +362,8 @@ int32_t LP_nanobind(void *ctx,char *pairstr)
                     printf("nanobind %s to %d\n",pairstr,pairsock);
                     return(pairsock);
                 } else printf("error binding to %s for %s\n",bindaddr,pairstr);
+                if ( LP_fixed_pairport != 0 )
+                    break;
             }
         }
     } else pairsock = LP_initpublicaddr(ctx,&mypullport,pairstr,"127.0.0.1",0,1);