diff --git a/desktop_version/src/SoundSystem.cpp b/desktop_version/src/SoundSystem.cpp
index c0233573..e88d0eda 100644
--- a/desktop_version/src/SoundSystem.cpp
+++ b/desktop_version/src/SoundSystem.cpp
@@ -33,7 +33,7 @@ SoundTrack::SoundTrack(const char* fileName)
 	FILESYSTEM_loadFileToMemory(fileName, &mem, &length);
 	SDL_RWops *fileIn = SDL_RWFromMem(mem, length);
 	sound = Mix_LoadWAV_RW(fileIn, 1);
-	FILESYSTEM_freeMemory(&mem);
+	if (length) FILESYSTEM_freeMemory(&mem);
 
 	if (sound == NULL)
 	{