diff --git a/radio/src/lua.cpp b/radio/src/lua.cpp
index f101760c6..498d06992 100644
--- a/radio/src/lua.cpp
+++ b/radio/src/lua.cpp
@@ -1748,16 +1748,17 @@ void luaError(uint8_t error)
 void luaExec(const char *filename)
 {
   luaInit();
-  
-  standaloneScript.state = SCRIPT_NOFILE;
-  int result = luaLoad(filename, standaloneScript);
-  // TODO the same with run ...
-  if (result == SCRIPT_OK) {
-    luaState = INTERPRETER_RUNNING_STANDALONE_SCRIPT;
-  }
-  else {
-    luaError(result);
-    luaState = INTERPRETER_RELOAD_PERMANENT_SCRIPTS;
+  if (L) {
+    standaloneScript.state = SCRIPT_NOFILE;
+    int result = luaLoad(filename, standaloneScript);
+    // TODO the same with run ...
+    if (result == SCRIPT_OK) {
+      luaState = INTERPRETER_RUNNING_STANDALONE_SCRIPT;
+    }
+    else {
+      luaError(result);
+      luaState = INTERPRETER_RELOAD_PERMANENT_SCRIPTS;
+    }
   }
 }
 
diff --git a/radio/src/opentx.h b/radio/src/opentx.h
index a1a8616e6..d70988264 100644
--- a/radio/src/opentx.h
+++ b/radio/src/opentx.h
@@ -1500,12 +1500,9 @@ enum AUDIO_SOUNDS {
     uint8_t outputsCount;
     ScriptOutput outputs[MAX_SCRIPT_OUTPUTS];
   };
-  enum InterpreterState {
-    INTERPRETER_RUNNING_PERMANENT_SCRIPTS,
-    INTERPRETER_RUNNING_STANDALONE_SCRIPT,
-    INTERPRETER_RELOAD_PERMANENT_SCRIPTS,
-    INTERPRETER_PANIC,
-  };
+  #define INTERPRETER_RUNNING_STANDALONE_SCRIPT 1
+  #define INTERPRETER_RELOAD_PERMANENT_SCRIPTS  2
+  #define INTERPRETER_PANIC                     255
   extern uint8_t luaState;
   extern uint8_t luaScriptsCount;
   extern ScriptInternalData standaloneScript;