diff --git a/lib/flibitEFX.jar b/lib/flibitEFX.jar
index 2a26245..b10ed1e 100644
Binary files a/lib/flibitEFX.jar and b/lib/flibitEFX.jar differ
diff --git a/src/lwjake2/sound/lwjgl/LWJGLSoundImpl.java b/src/lwjake2/sound/lwjgl/LWJGLSoundImpl.java
index c4e2a32..bf35c4f 100644
--- a/src/lwjake2/sound/lwjgl/LWJGLSoundImpl.java
+++ b/src/lwjake2/sound/lwjgl/LWJGLSoundImpl.java
@@ -155,6 +155,8 @@ public final class LWJGLSoundImpl implements Sound {
 	{
 		Com.Printf("... using EFX effects:\n");
 		underwaterFilter = new EFXFilterLowPass();
+		underwaterFilter.setGain(1.0f);
+		underwaterFilter.setGainHF(0.0f);
 	}