diff --git a/projects/configgen/configgen/generators/libretro/libretroGenerator.py b/projects/configgen/configgen/generators/libretro/libretroGenerator.py
index 7ff18160a73f9ffa90b2d5ed297960d3f2a41950..6a2a075f3eac12c152c65d2ab3e86c4d17f75746 100644
--- a/projects/configgen/configgen/generators/libretro/libretroGenerator.py
+++ b/projects/configgen/configgen/generators/libretro/libretroGenerator.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 import os
+import sys
 import subprocess
 from typing import List, Dict, Any
 
@@ -544,6 +545,19 @@ class LibretroGenerator(Generator):
 
         return retroarchConfig, coreConfig
 
+    def createThemeconfiguration(retroarchConfig):
+        try:
+            sys.path.append(os.path.abspath("/recalbox/system/hardware/case/"))
+            from manage import Identify
+        except ImportError:
+            pass
+        else:
+            available_case = ["GPiV1", "GPiV2", "GPiV3", "GPi2", "GPi2W", "PiBoyDMG", "PiBoyXRS"]
+            case = Identify("")
+            if case in available_case or Architecture().isGoa2 or Architecture().isRg353x:
+                retroarchConfig.setString("menu_driver", '"rgui"')
+                retroarchConfig.saveFile()
+
     # recalbox-crt-options.cfg options
     # Create configuration file
     @staticmethod
@@ -625,6 +639,9 @@ class LibretroGenerator(Generator):
         else:
             retroarchConfig.setString("audio_volume", "0.0")
 
+        # Force RGUI theme for case
+        LibretroGenerator.createThemeconfiguration(retroarchConfig)
+
         # Force 10 players for Saturn
         retroarchConfig.setString("input_max_users", '"8"')
         if system.Name == "saturn":