diff --git a/public/shaders/es3/bg.frag b/public/shaders/es3/bg.frag
index 717a10b..1359e64 100644
--- a/public/shaders/es3/bg.frag
+++ b/public/shaders/es3/bg.frag
@@ -1,5 +1,5 @@
 #version 300 es
-precision lowp float;
+precision highp float;
 
 const float CAM_FAR = 20.0;
 const vec3 BACKGROUND = vec3(0.0, 0.0, 0.0);