diff --git a/src/backend/render/shaders/offscreen.frag b/src/backend/render/shaders/offscreen.frag
index 6b791081..d95859c4 100644
--- a/src/backend/render/shaders/offscreen.frag
+++ b/src/backend/render/shaders/offscreen.frag
@@ -6,7 +6,7 @@
 #extension GL_OES_EGL_image_external : require
 #endif
 
-precision mediump float;
+precision highp float;
 #if defined(EXTERNAL)
 uniform samplerExternalOES tex;
 #else
diff --git a/src/backend/render/shaders/rounded_outline.frag b/src/backend/render/shaders/rounded_outline.frag
index 05756d50..4d1b1ee2 100644
--- a/src/backend/render/shaders/rounded_outline.frag
+++ b/src/backend/render/shaders/rounded_outline.frag
@@ -1,4 +1,4 @@
-precision mediump float;
+precision highp float;
 uniform float alpha;
 #if defined(DEBUG_FLAGS)
 uniform float tint;
diff --git a/src/backend/render/shaders/rounded_rectangle.frag b/src/backend/render/shaders/rounded_rectangle.frag
index 8ca9fb87..e743f510 100644
--- a/src/backend/render/shaders/rounded_rectangle.frag
+++ b/src/backend/render/shaders/rounded_rectangle.frag
@@ -1,4 +1,4 @@
-precision mediump float;
+precision highp float;
 uniform float alpha;
 #if defined(DEBUG_FLAGS)
 uniform float tint;