1 files changed, 3 insertions, 3 deletions
diff --git a/src/datavisualization/engine/shaders/surfaceShadowFlat.frag b/src/datavisualization/engine/shaders/surfaceShadowFlat.frag
index 9b9305ab..0613a40c 100644
--- a/src/datavisualization/engine/shaders/surfaceShadowFlat.frag
+++ b/src/datavisualization/engine/shaders/surfaceShadowFlat.frag
@@ -15,7 +15,7 @@ uniform highp vec3 lightPosition_wrld;
 uniform highp float lightStrength;
 uniform highp float ambientStrength;
 uniform highp float shadowQuality;
-uniform highp vec3 lightColor;
+uniform highp vec4 lightColor;
 
 highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216),
                                       vec2(0.94558609, -0.76890725),
@@ -37,8 +37,8 @@ highp vec2 poissonDisk[16] = vec2[16](vec2(-0.94201624, -0.39906216),
 void main() {
     highp vec2 gradientUV = vec2(0.0, (coords_mdl.y + 1.0) / 2.0);
     highp vec3 materialDiffuseColor = texture2D(textureSampler, gradientUV).xyz;
-    highp vec3 materialAmbientColor = lightColor * ambientStrength * materialDiffuseColor;
-    highp vec3 materialSpecularColor = lightColor;
+    highp vec3 materialAmbientColor = lightColor.rgb * ambientStrength * materialDiffuseColor;
+    highp vec3 materialSpecularColor = lightColor.rgb;
 
     highp vec3 n = normalize(normal_cmr);
     highp vec3 l = normalize(lightDirection_cmr);