diff --git a/MultiClient.py b/MultiClient.py
index d50b8258..4449162a 100644
--- a/MultiClient.py
+++ b/MultiClient.py
@@ -58,6 +58,7 @@ class Context:
         self.locations_info = {}
         self.awaiting_rom = False
         self.rom = None
+        self.prev_rom = None
         self.auth = None
         self.found_items = found_items
         self.finished_game = False
@@ -1005,8 +1006,11 @@ async def game_watcher(ctx : Context):
                 continue
 
             ctx.rom = list(rom)
-            ctx.locations_checked = set()
-            ctx.locations_scouted = set()
+            if not ctx.prev_rom or ctx.prev_rom != ctx.rom:
+                ctx.locations_checked = set()
+                ctx.locations_scouted = set()
+            ctx.prev_rom = ctx.rom.copy()
+
             if ctx.awaiting_rom:
                 await server_auth(ctx, False)