diff --git a/src/komodo_gateway.h b/src/komodo_gateway.h
index 96ce788f9..36ebce74a 100644
--- a/src/komodo_gateway.h
+++ b/src/komodo_gateway.h
@@ -2017,7 +2017,7 @@ cJSON *get_urljson(char *url)
 int32_t get_stockprices(uint32_t now,uint32_t *prices,std::vector<std::string> symbols)
 {
     char url[32768],*symbol; cJSON *json,*obj; int32_t i,n=0,retval=-1; uint32_t uprice,timestamp;
-    sprintf(url,"https://api.iextrading.com/1.0/tops/last?symbols=%s",GetArg("-ac_stocks",""));
+    sprintf(url,"https://api.iextrading.com/1.0/tops/last?symbols=%s",GetArg("-ac_stocks","").c_str());
     if ( (json= send_curl(url,(char *)"iex")) != 0 ) //if ( (json= get_urljson(url)) != 0 )
     {
         if ( (n= cJSON_GetArraySize(json)) > 0 )