diff --git a/src/map.c b/src/map.c
index 1c40f0f..e54b286 100644
--- a/src/map.c
+++ b/src/map.c
@@ -235,6 +235,8 @@ static void map_update(void) {
     strcat(buf, "Outfits\n");
   if(services & PLANET_SERVICE_SHIPYARD)
     strcat(buf, "Shipyard\n");
+  if(buf[0] == '\0')
+    strcat(buf, "None");
   window_modifyText(map_wid, "txtServices", buf);
 
   /* System status. */