diff -r dc1ff1491b63 -r 286e170f4f6b share/hedgewars/Data/Shaders/water.fs
--- a/share/hedgewars/Data/Shaders/water.fs	Tue Jan 02 16:59:04 2018 -0500
+++ b/share/hedgewars/Data/Shaders/water.fs	Fri Jan 05 16:12:19 2018 -0500
@@ -1,4 +1,6 @@
+#ifdef GL_ES
 precision mediump float;
+#endif
 
 varying vec4 vcolor;