diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index 5a0d997fa..598d074db 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -5894,7 +5894,7 @@ void HWR_DoPostProcessor(player_t *player)
 		if (*type == postimg_water)
 		{
 			WAVELENGTH = 5;
-			AMPLITUDE = 20;
+			AMPLITUDE = 40;
 			FREQUENCY = 8;
 		}
 		else