diff --git a/src/libvgcode/src/Shaders.hpp b/src/libvgcode/src/Shaders.hpp
index d6e903ff8b..826f9a4805 100644
--- a/src/libvgcode/src/Shaders.hpp
+++ b/src/libvgcode/src/Shaders.hpp
@@ -19,8 +19,8 @@ static const char* Segments_Vertex_Shader =
 "const float light_top_specular = 0.6 * 0.125;\n"
 "const float light_top_shininess = 20.0;\n"
 "const vec3  light_front_dir = vec3(0.6985074, 0.1397015, 0.6985074);\n"
-"const float light_front_diffuse = 0.6 * 0.3;\n"
-"const float ambient = 0.3;\n"
+"const float light_front_diffuse = 0.6 * 0.2;\n"
+"const float ambient = 0.2;\n"
 "const float emission = 0.15;\n"
 "const vec3 UP = vec3(0, 0, 1);\n"
 "uniform mat4 view_matrix;\n"