diff --git a/Shaders/model-ALS-ultra.frag b/Shaders/model-ALS-ultra.frag
index 8173466e3..286e7acb2 100644
--- a/Shaders/model-ALS-ultra.frag
+++ b/Shaders/model-ALS-ultra.frag
@@ -79,6 +79,7 @@ uniform float snowlevel;
 uniform float snow_thickness_factor;
 
 uniform float osg_SimulationTime;
+uniform mat4 osg_ViewMatrix;
 
 uniform float landing_light1_offset;
 uniform float landing_light2_offset;
@@ -155,7 +156,7 @@ void main (void)
 
     /// BEGIN geometry for light
 
-    vec3 up = (gl_ModelViewMatrix * vec4(0.0,0.0,1.0,0.0)).xyz;
+    vec3 up = (osg_ViewMatrix * vec4(0.0,0.0,1.0,0.0)).xyz;
     //vec4 worldPos3D = (osg_ViewMatrixInverse * vec4 (0.0,0.0,0.0, 1.0));
     //worldPos3D.a = 0.0;
     //vec3 up = (osg_ViewMatrix * worldPos3D).xyz;
diff --git a/Shaders/road-ALS-ultra.frag b/Shaders/road-ALS-ultra.frag
index ebd61bb2f..9255196fd 100644
--- a/Shaders/road-ALS-ultra.frag
+++ b/Shaders/road-ALS-ultra.frag
@@ -76,6 +76,7 @@ uniform float snowlevel;
 uniform float snow_thickness_factor;
 
 uniform float osg_SimulationTime;
+uniform mat4 osg_ViewMatrix;
 
 uniform float landing_light1_offset;
 uniform float landing_light2_offset;
@@ -221,7 +222,7 @@ void main (void)
 
     /// BEGIN geometry for light
 
-    vec3 up = (gl_ModelViewMatrix * vec4(0.0,0.0,1.0,0.0)).xyz;
+    vec3 up = (osg_ViewMatrix * vec4(0.0,0.0,1.0,0.0)).xyz;
 	
 	vec3 nVertVec = normalize(vertVec);