diff --git a/Shaders/crop.frag b/Shaders/crop.frag
index 555e673a2..c3534bc41 100644
--- a/Shaders/crop.frag
+++ b/Shaders/crop.frag
@@ -9,6 +9,8 @@ uniform sampler3D NoiseTex;
 uniform sampler2D SampleTex;
 uniform sampler1D ColorsTex;
 
+varying vec4 constantColor;
+
 uniform float snowlevel; // From /sim/rendering/snow-level-m
 
 const float scale = 1.0;
@@ -57,7 +59,7 @@ void main (void)
 	c1 = mix(c1, clamp(n+nvL[2]*4.1+vec4(0.1, 0.1, nvL[2]*2.2, 1.0), 0.7, 1.0), smoothstep(snowlevel+300.0, snowlevel+360.0, (rawpos.z)+nvL[1]*3000.0));
 
     vec3 diffuse = gl_Color.rgb * max(0.0, dot(VNormal, gl_LightSource[0].position.xyz));
-    vec4 ambient_light = gl_LightSource[0].diffuse * vec4(diffuse, 1.0);
+    vec4 ambient_light = constantColor + gl_LightSource[0].diffuse * vec4(diffuse, 1.0);
 
 	c1 *= ambient_light;
 	vec4 finalColor = c1;
diff --git a/Shaders/crop.vert b/Shaders/crop.vert
index b5c7314a5..9e70bfa6d 100644
--- a/Shaders/crop.vert
+++ b/Shaders/crop.vert
@@ -4,6 +4,7 @@ varying vec4 rawpos;
 varying vec4 ecPosition;
 varying vec3 VNormal;
 varying vec3 Normal;
+varying vec4 constantColor;
 
 void main(void)
 {
@@ -14,6 +15,10 @@ void main(void)
 	VNormal = normalize(gl_NormalMatrix * gl_Normal);
 	Normal = normalize(gl_Normal);
 	
-    gl_FrontColor = gl_Color;
+	gl_FrontColor = gl_Color;
+	
+	constantColor = gl_FrontMaterial.emission
+		+ gl_Color * (gl_LightModel.ambient + gl_LightSource[0].ambient);
+	
 	gl_Position = ftransform();
 }
\ No newline at end of file