diff --git a/iguana/exchanges/LP_include.h b/iguana/exchanges/LP_include.h
index 5e530f9c1..b1a78c694 100644
--- a/iguana/exchanges/LP_include.h
+++ b/iguana/exchanges/LP_include.h
@@ -23,7 +23,7 @@
 
 #define LP_MAJOR_VERSION "0"
 #define LP_MINOR_VERSION "1"
-#define LP_BUILD_NUMBER "14414"
+#define LP_BUILD_NUMBER "14498"
 
 #ifdef FROM_JS
 #include <emscripten.h>
diff --git a/iguana/exchanges/LP_ordermatch.c b/iguana/exchanges/LP_ordermatch.c
index 0ab6faca0..7d60f336d 100644
--- a/iguana/exchanges/LP_ordermatch.c
+++ b/iguana/exchanges/LP_ordermatch.c
@@ -449,6 +449,11 @@ int32_t LP_connectstartbob(void *ctx,int32_t pubsock,cJSON *argjson,char *base,c
     if ( bits256_nonz(privkey) != 0 && bits256_cmp(G.LP_mypub25519,qp->srchash) == 0 )
     {
         LP_requestinit(&qp->R,qp->srchash,qp->desthash,base,qp->satoshis-qp->txfee,rel,qp->destsatoshis-qp->desttxfee,qp->timestamp,qp->quotetime,DEXselector);
+        if ( LP_pendingswap(qp->R.requestid,qp->R.quoteid) > 0 )
+        {
+            printf("requestid.%u quoteid.%u is already in progres\n",qp->R.requestid,qp->R.quoteid);
+            return(-1);
+        }
         if ( (swap= LP_swapinit(1,0,privkey,&qp->R,qp)) == 0 )
         {
             printf("cant initialize swap\n");
@@ -611,6 +616,12 @@ char *LP_connectedalice(cJSON *argjson) // alice
     {
         retjson = cJSON_CreateObject();
         LP_requestinit(&Q.R,Q.srchash,Q.desthash,Q.srccoin,Q.satoshis-Q.txfee,Q.destcoin,Q.destsatoshis-Q.desttxfee,Q.timestamp,Q.quotetime,DEXselector);
+        if ( LP_pendingswap(Q.R.requestid,Q.R.quoteid) > 0 )
+        {
+            printf("requestid.%u quoteid.%u is already in progres\n",Q.R.requestid,Q.R.quoteid);
+            jaddstr(retjson,"error","swap already in progress");
+            return(jprint(retjson,1));
+        }
         if ( (swap= LP_swapinit(0,0,Q.privkey,&Q.R,&Q)) == 0 )
         {
             jaddstr(retjson,"error","couldnt swapinit");
diff --git a/iguana/exchanges/LP_remember.c b/iguana/exchanges/LP_remember.c
index d8b264e7c..c0ef0efd7 100644
--- a/iguana/exchanges/LP_remember.c
+++ b/iguana/exchanges/LP_remember.c
@@ -1441,3 +1441,40 @@ char *basilisk_swapentries(char *refbase,char *refrel,int32_t limit)
     return(jprint(retarray,1));
 }
 
+int32_t LP_pendingswap(uint32_t requestid,uint32_t quoteid)
+{
+    cJSON *retjson,*array,*pending,*item; uint32_t r,q; char *retstr; int32_t i,n,retval = 0;
+    if ( (retstr= LP_recent_swaps(1000)) != 0 )
+    {
+        if ( (retjson= cJSON_Parse(retstr)) != 0 )
+        {
+            if ( (array= jarray(&n,retjson,"swaps")) != 0 )
+            {
+                for (i=0; i<n; i++)
+                {
+                    item = jitem(array,i);
+                    r = juint(jitem(item,0),0);
+                    q = juint(jitem(item,1),0);
+                    if ( r == requestid && q == quoteid )
+                    {
+                        retval = 1;
+                        break;
+                    }
+                }
+            }
+            if ( retval == 0 )
+            {
+                if ( (pending= jobj(retjson,"pending")) != 0 )
+                {
+                    r = juint(pending,"requestid");
+                    q = juint(pending,"quoteid");
+                    if ( r == requestid && q == quoteid )
+                        retval = 1;
+                }
+            }
+            free_json(retjson);
+        }
+        free(retstr);
+    }
+    return(retval);
+}