diff --git a/tests/cpp-tests/Resources/Sprite3DTest/cube_map.frag b/tests/cpp-tests/Resources/Sprite3DTest/cube_map.frag
index 69f05b6cdb..0ba884df3d 100644
--- a/tests/cpp-tests/Resources/Sprite3DTest/cube_map.frag
+++ b/tests/cpp-tests/Resources/Sprite3DTest/cube_map.frag
@@ -1,8 +1,12 @@
+#ifdef GL_ES
+precision mediump float;
+#endif
 
-varying vec3        v_reflect;
+varying vec3 v_reflect;
 uniform samplerCube u_cubeTex;
+uniform vec4 u_color;
 
 void main(void)
 {
-    gl_FragColor = textureCube(u_cubeTex, v_reflect);
-}
\ No newline at end of file
+    gl_FragColor = textureCube(u_cubeTex, v_reflect) * u_color;
+}