All alerts are TADA :)

radio/src/audio_arm.cpp

@@ -267,7 +267,7 @@ void referenceModelAudioFiles()
       for (int i=0; i<NUM_CSW && !found; i++) {
         for (int event=0; event<2; event++) {
           getLogicalSwitchAudioFile(filename, i, event);
-          if (isFileAvailable(filename)) {
+          if (!strcmp(filename, fn)) {
             sdAvailableLogicalSwitchAudioFiles |= MASK_LOGICAL_SWITCH_AUDIO_FILE(i, event);
             found = true;
             break;
@@ -289,7 +289,7 @@ bool isAudioFileReferenced(uint32_t i, char * filename)
 #endif
 
   if (category == SYSTEM_AUDIO_CATEGORY) {
-    if (sdAvailableSystemAudioFiles & MASK_SYSTEM_AUDIO_FILE(index)) {
+    if (sdAvailableSystemAudioFiles & MASK_SYSTEM_AUDIO_FILE(event)) {
       getSystemAudioFile(filename, index);
       return true;
     }