diff --git a/files/settings-default.cfg b/files/settings-default.cfg
index b421730dc5..051f081e80 100644
--- a/files/settings-default.cfg
+++ b/files/settings-default.cfg
@@ -55,10 +55,9 @@ fog end factor = 1.0
 num lights = 8
 
 [Water]
-
 shader = false
 
-rtt size = 256
+rtt size = 512
 
 reflect terrain = true