diff --git a/radio/src/gui/colorlcd/radio_hardware.cpp b/radio/src/gui/colorlcd/radio_hardware.cpp
index f57d20412..2abd41226 100644
--- a/radio/src/gui/colorlcd/radio_hardware.cpp
+++ b/radio/src/gui/colorlcd/radio_hardware.cpp
@@ -330,10 +330,17 @@ void RadioHardwarePage::build(FormWindow * window)
 #if defined(HARDWARE_INTERNAL_MODULE)
   new StaticText(window, grid.getLabelSlot(), TR_INTERNAL_MODULE, 0,
                  COLOR_THEME_PRIMARY1);
-  auto internalModule =
-      new Choice(window, grid.getFieldSlot(1, 0), STR_INTERNAL_MODULE_PROTOCOLS,
-                 MODULE_TYPE_NONE, MODULE_TYPE_COUNT - 1,
-                 GET_SET_DEFAULT(g_eeGeneral.internalModule));
+  auto internalModule = new Choice(window, grid.getFieldSlot(1, 0),
+      STR_INTERNAL_MODULE_PROTOCOLS, MODULE_TYPE_NONE, MODULE_TYPE_COUNT - 1,
+      GET_DEFAULT(g_eeGeneral.internalModule),
+      [=](int moduleType) {
+        if (g_model.moduleData[INTERNAL_MODULE].type != moduleType) {
+          memclear(&g_model.moduleData[INTERNAL_MODULE], sizeof(ModuleData));
+          storageDirty(EE_MODEL);
+        }
+        g_eeGeneral.internalModule = moduleType;
+        SET_DIRTY();
+      });
 
   internalModule->setAvailableHandler([](int module){
       return isInternalModuleSupported(module);
diff --git a/radio/src/gui/common/stdlcd/radio_hardware.cpp b/radio/src/gui/common/stdlcd/radio_hardware.cpp
index 7b02037fb..7ff084a6c 100644
--- a/radio/src/gui/common/stdlcd/radio_hardware.cpp
+++ b/radio/src/gui/common/stdlcd/radio_hardware.cpp
@@ -528,13 +528,19 @@ void menuRadioHardware(event_t event)
 #endif
 
 #if !defined(PCBX9D) && !defined(PCBX9DP) && !defined(PCBX9E)
-      case ITEM_RADIO_HARDWARE_INTERNAL_MODULE:
+      case ITEM_RADIO_HARDWARE_INTERNAL_MODULE: {
         g_eeGeneral.internalModule =
             editChoice(HW_SETTINGS_COLUMN2, y, STR_INTERNAL_MODULE,
                        STR_INTERNAL_MODULE_PROTOCOLS,
                        g_eeGeneral.internalModule, MODULE_TYPE_NONE,
                        MODULE_TYPE_MAX, attr, event, isInternalModuleSupported);
-        break;
+        if (g_model.moduleData[INTERNAL_MODULE].type !=
+            g_eeGeneral.internalModule) {
+          memclear(&g_model.moduleData[INTERNAL_MODULE], sizeof(ModuleData));
+          storageDirty(EE_MODEL);
+          storageDirty(EE_GENERAL);
+        }
+      } break;
 #endif
 
 #if (defined(CROSSFIRE) || defined(GHOST))