diff --git a/libretro-common/net/net_natt.c b/libretro-common/net/net_natt.c
index 43436a0f2f..92fdaeca77 100644
--- a/libretro-common/net/net_natt.c
+++ b/libretro-common/net/net_natt.c
@@ -106,7 +106,7 @@ static bool natt_open_port(struct natt_status *status,
    int r;
 
    /* if NAT traversal is uninitialized or unavailable, oh well */
-   if (!urls.controlURL[0])
+   if (!urls.controlURL || !urls.controlURL[0])
       return false;
 
    /* figure out the internal info */