diff --git a/shaders/icon.vertex.glsl b/shaders/icon.vertex.glsl
index dc43253e6b5..1b45ded2675 100644
--- a/shaders/icon.vertex.glsl
+++ b/shaders/icon.vertex.glsl
@@ -6,7 +6,7 @@ attribute float a_opacity;
 
 // matrix is for the vertex position, exmatrix is for rotating and projecting
 // the extrusion vector.
-uniform mat4 u_matrix;
+uniform highp mat4 u_matrix;
 uniform mat4 u_exmatrix;
 uniform float u_zoom;
 uniform float u_fadedist;
diff --git a/shaders/line.vertex.glsl b/shaders/line.vertex.glsl
index d58ce277069..82513769f6f 100644
--- a/shaders/line.vertex.glsl
+++ b/shaders/line.vertex.glsl
@@ -14,7 +14,7 @@ attribute float a_blur;
 
 // matrix is for the vertex position, exmatrix is for rotating and projecting
 // the extrusion vector.
-uniform mat4 u_matrix;
+uniform highp mat4 u_matrix;
 
 // shared
 uniform float u_ratio;
diff --git a/shaders/linepattern.vertex.glsl b/shaders/linepattern.vertex.glsl
index fc77f6fc600..f120a76aa09 100644
--- a/shaders/linepattern.vertex.glsl
+++ b/shaders/linepattern.vertex.glsl
@@ -14,7 +14,7 @@ attribute float a_opacity;
 
 // matrix is for the vertex position, exmatrix is for rotating and projecting
 // the extrusion vector.
-uniform mat4 u_matrix;
+uniform highp mat4 u_matrix;
 uniform mat4 u_exmatrix;
 
 // shared
diff --git a/shaders/linesdfpattern.vertex.glsl b/shaders/linesdfpattern.vertex.glsl
index 87a87986d2c..526dcae9579 100644
--- a/shaders/linesdfpattern.vertex.glsl
+++ b/shaders/linesdfpattern.vertex.glsl
@@ -14,7 +14,7 @@ attribute float a_blur;
 
 // matrix is for the vertex position, exmatrix is for rotating and projecting
 // the extrusion vector.
-uniform mat4 u_matrix;
+uniform highp mat4 u_matrix;
 uniform mat4 u_exmatrix;
 
 uniform float u_ratio;
diff --git a/shaders/outline.vertex.glsl b/shaders/outline.vertex.glsl
index bf876b0333d..ca69ee3002d 100644
--- a/shaders/outline.vertex.glsl
+++ b/shaders/outline.vertex.glsl
@@ -1,7 +1,7 @@
 attribute vec2 a_pos;
 attribute vec4 a_color;
 
-uniform mat4 u_matrix;
+uniform highp mat4 u_matrix;
 uniform vec2 u_world;
 
 varying vec4 v_color;
diff --git a/shaders/sdf.vertex.glsl b/shaders/sdf.vertex.glsl
index b881ef747e9..abb2bf2c9cf 100644
--- a/shaders/sdf.vertex.glsl
+++ b/shaders/sdf.vertex.glsl
@@ -8,7 +8,7 @@ attribute float a_gamma;
 
 // matrix is for the vertex position, exmatrix is for rotating and projecting
 // the extrusion vector.
-uniform mat4 u_matrix;
+uniform highp mat4 u_matrix;
 uniform mat4 u_exmatrix;
 
 uniform float u_zoom;