diff --git a/lutris/game.py b/lutris/game.py
index 4f21b74df..fad31ce7e 100644
--- a/lutris/game.py
+++ b/lutris/game.py
@@ -384,6 +384,12 @@ class Game(GObject.Object):
         self.emit("game-updated")
 
     def save_lastplayed(self):
+        """Save only the platform field- do not restore any other values the user may have changed
+        in another window."""
+        games_db.update_existing(id=self.id, slug=self.slug, platform=self.platform)
+        self.emit("game-updated")
+
+    def save_platform(self):
         """Save only the lastplayed field- do not restore any other values the user may have changed
         in another window."""
         games_db.update_existing(id=self.id, slug=self.slug, lastplayed=self.lastplayed)
diff --git a/lutris/gui/config/common.py b/lutris/gui/config/common.py
index c03fbc329..4ca264ddb 100644
--- a/lutris/gui/config/common.py
+++ b/lutris/gui/config/common.py
@@ -573,7 +573,7 @@ class GameDialogCommon(ModelessDialog, DialogInstallUIDelegate):
         self.game.runner_name = self.runner_name
         self.game.is_installed = True
         self.game.config = self.lutris_config
-        self.game.save(save_config=True)
+        self.game.save()
         self.destroy()
         self.saved = True
         return True
diff --git a/lutris/startup.py b/lutris/startup.py
index 489d8a026..bd9a61f0b 100644
--- a/lutris/startup.py
+++ b/lutris/startup.py
@@ -147,7 +147,7 @@ def fill_missing_platforms():
         game.set_platform_from_runner()
         if game.platform:
             logger.info("Platform for %s set to %s", game.name, game.platform)
-            game.save(save_config=False)
+            game.save_platform()
 
 
 def run_all_checks():