diff --git a/shaders/GL/arrow3d_shadow.vsh.glsl b/shaders/GL/arrow3d_shadow.vsh.glsl
index 1eb3664869..a7a252f289 100644
--- a/shaders/GL/arrow3d_shadow.vsh.glsl
+++ b/shaders/GL/arrow3d_shadow.vsh.glsl
@@ -1,5 +1,10 @@
 attribute vec4 a_pos;
 
+// The same geometry can be rendered with different shader, where a_normal attribute is used.
+// On some platforms unused attributes can cause an incorrect offset calculation, so we add
+// fake usage of this attribute.
+attribute vec3 a_normal;
+
 uniform mat4 u_transform;
 
 varying float v_intensity;
@@ -8,5 +13,5 @@ void main()
 {
   vec4 position = u_transform * vec4(a_pos.x, a_pos.y, 0.0, 1.0);
   v_intensity = a_pos.w;
-  gl_Position = position;
+  gl_Position = position + vec4(a_normal - a_normal, 0.0);
 }