diff --git a/tools/generate/map_objects.py b/tools/generate/map_objects.py
index 2431c73..1be01ef 100644
--- a/tools/generate/map_objects.py
+++ b/tools/generate/map_objects.py
@@ -17,12 +17,13 @@ def warp_event(ev):
         "},",
     ]
 
-def bg_event(ev):
+def bg_event(ev, sorted_text_constants):
     x, y = ev.position
+    sign_id = '0xff' if ev.sign_id not in sorted_text_constants else ev.sign_id
     return [
 	"{",
             f".position = {{ {x}, {y} }},",
-            ".sign_id = 0,", # fixme
+            f".sign_id = {sign_id},",
         "},",
     ]
 
@@ -42,7 +43,7 @@ def object_event(ev, sorted_text_constants):
             f".sprite_id = spritesheet_t::{sprite_name(ev.sprite_id)},",
             f".movement = object_event_t::movement::{ev.movement.lower()},",
             *(range_or_direction(ev)),
-            f".text_id = {text_id},", # fixme
+            f".text_id = {text_id},",
             ".trainer = { 0 },", # fixme
         "},",
     ]
@@ -53,10 +54,10 @@ def warp_events(map_name, obj):
         yield from warp_event(ev)
     yield "};"
 
-def bg_events(map_name, obj):
+def bg_events(map_name, obj, sorted_text_constants):
     yield f"const bg_event_t {map_name}_bg_events[] = {{"
     for ev in obj.bg_events:
-        yield from bg_event(ev)
+        yield from bg_event(ev, sorted_text_constants)
     yield "};"
 
 def object_events(map_name, obj, sorted_text_constants):
@@ -96,7 +97,7 @@ def map_objects():
         text_pointers = scripts_list.get(map_header.text_pointers(), ({}, {}))
         sorted_text_constants = {k for k, _ in sorted_text_pointers(*text_pointers)}
         yield from warp_events(map_name, map_objects)
-        yield from bg_events(map_name, map_objects)
+        yield from bg_events(map_name, map_objects, sorted_text_constants)
         yield from object_events(map_name, map_objects, sorted_text_constants)
 
     yield "const object_t map_objects[] = {"