diff --git a/Documentation/Changes.txt b/Documentation/Changes.txt
index e9ea2eb87..87e974abe 100644
--- a/Documentation/Changes.txt
+++ b/Documentation/Changes.txt
@@ -21,7 +21,8 @@ Version 1.0.3
 * Fix underwater door and double doors continuing to be interactable after opening.
 * Fix ability to turn when aligning to an object while standing.
 * Fix left arm lock while picking up an item with a flare in hand.
-* Fix potential crashes when exiting game through title flyby.
+* Fix potential crashes when exiting game.
+* Fix secret soundtrack (which filename number should be the last) not playing.
 
 
 Version 1.0.2
diff --git a/TombEngine/Sound/sound.cpp b/TombEngine/Sound/sound.cpp
index 65a5e7036..5dd142319 100644
--- a/TombEngine/Sound/sound.cpp
+++ b/TombEngine/Sound/sound.cpp
@@ -887,7 +887,7 @@ void SayNo()
 
 void PlaySecretTrack()
 {
-	if (SoundTracks.size() <= SecretSoundIndex)
+	if (SoundTracks.find(SecretSoundIndex) == SoundTracks.end())
 	{
 		TENLog("No secret soundtrack index was found!", LogLevel::Warning);
 		return;