diff --git a/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl b/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl
index 8d0016a2206..c676eb8b19a 100644
--- a/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl
+++ b/source/blender/gpu/shaders/material/gpu_shader_material_attribute.glsl
@@ -6,9 +6,10 @@ void node_attribute_color(vec4 attr, out vec4 out_attr)
 
 void node_attribute_temperature(vec4 attr, out vec4 out_attr)
 {
-  out_attr.x = attr_load_temperature_post(attr.x);
-  out_attr.y = 0.0;
-  out_attr.z = 0.0;
+  float temperature = attr_load_temperature_post(attr.x);
+  out_attr.x = temperature;
+  out_attr.y = temperature;
+  out_attr.z = temperature;
   out_attr.w = 1.0;
 }