diff --git a/src/dos/cdrom_image.cpp b/src/dos/cdrom_image.cpp
index 15e6bcc0..609c3e64 100644
--- a/src/dos/cdrom_image.cpp
+++ b/src/dos/cdrom_image.cpp
@@ -148,11 +148,10 @@ uint32_t CDROM_Interface_Image::BinaryFile::decode(int16_t *buffer,
 CDROM_Interface_Image::AudioFile::AudioFile(const char *filename, bool &error)
 	: TrackFile(4096)
 {
-	// Use the audio file's actual sample rate and number of channels as opposed to overriding
+	// Use the audio file's sample rate and number of channels as-is
 	Sound_AudioInfo desired = {AUDIO_S16, 0, 0};
 	sample = Sound_NewSampleFromFile(filename, &desired);
-	std::string filename_only(filename);
-	filename_only = filename_only.substr(filename_only.find_last_of("\\/") + 1);
+	const std::string filename_only = get_basename(filename);
 	if (sample) {
 		error = false;
 		LOG_MSG("CDROM: Loaded %s [%d Hz, %d-channel, %2.1f minutes]",