diff --git a/Alc/ALc.c b/Alc/ALc.c
index 49e9a43f..6e10897b 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -2146,7 +2146,7 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
 
         if(depth > 0)
         {
-            depth = clampi(depth, 2, 20);
+            depth = clampi(depth, 2, 24);
             device->DitherDepth = powf(2.0f, (ALfloat)(depth-1));
         }
     }