diff --git a/drape/shaders/route_arrow_fragment_shader.fsh b/drape/shaders/route_arrow_fragment_shader.fsh
index 6fb2e63fdb..7c72a36cee 100644
--- a/drape/shaders/route_arrow_fragment_shader.fsh
+++ b/drape/shaders/route_arrow_fragment_shader.fsh
@@ -5,26 +5,27 @@ uniform vec4 u_textureRect;
 
 uniform mat4 u_arrowBorders;
 
+vec2 calculateUv(vec2 len, vec4 arrowBorder)
+{
+  vec2 uv = vec2(0, 0);
+  if (len.x >= arrowBorder.x && len.x <= arrowBorder.z)
+  {
+    float coef = clamp((len.x - arrowBorder.x) / (arrowBorder.z - arrowBorder.x), 0.0, 1.0);
+    float u = mix(arrowBorder.y, arrowBorder.w, coef);
+    float v = 0.5 * len.y + 0.5;
+    uv = vec2(mix(u_textureRect.x, u_textureRect.z, u), mix(u_textureRect.y, u_textureRect.w, v));
+  }
+  return uv;
+}
+
 void main(void)
 {
-  bool needDiscard = true;
-  vec2 uv = vec2(0, 0);
-  for (int i = 0; i < 4; i++)
-  {
-    vec4 arrowBorder = u_arrowBorders[i];
-    if (v_length.x >= arrowBorder.x && v_length.x <= arrowBorder.z)
-    {
-      needDiscard = false;
-      float coef = clamp((v_length.x - arrowBorder.x) / (arrowBorder.z - arrowBorder.x), 0.0, 1.0);
-      float u = mix(arrowBorder.y, arrowBorder.w, coef);
-      float v = 0.5 * v_length.y + 0.5;
-      uv = vec2(mix(u_textureRect.x, u_textureRect.z, u), mix(u_textureRect.y, u_textureRect.w, v));
-    }
-  }
+  vec4 arrowBorder = u_arrowBorders[0];
+  vec2 uv = calculateUv(v_length, u_arrowBorders[0]) +
+            calculateUv(v_length, u_arrowBorders[1]) +
+            calculateUv(v_length, u_arrowBorders[2]) +
+            calculateUv(v_length, u_arrowBorders[3]);
 
   vec4 color = texture2D(u_colorTex, uv);
-  if (needDiscard)
-    color.a = 0.0;
-
   gl_FragColor = color;
 }