1 files changed, 1 insertions, 0 deletions
diff --git a/Alc/mixer.c b/Alc/mixer.c
index a4712207..fc3fecbd 100644
--- a/Alc/mixer.c
+++ b/Alc/mixer.c
@@ -367,6 +367,7 @@ ALvoid MixSource(ALactivesource *src, ALCdevice *Device, ALuint SamplesToDo)
 
             if(Looping && Source->SourceType == AL_STATIC)
             {
+                assert(LoopEnd > LoopStart);
                 DataPosInt = ((DataPosInt-LoopStart)%(LoopEnd-LoopStart)) + LoopStart;
                 break;
             }