diff --git a/shaders/lib/volumetricClouds.glsl b/shaders/lib/volumetricClouds.glsl
index 6d7653c..5c2e975 100644
--- a/shaders/lib/volumetricClouds.glsl
+++ b/shaders/lib/volumetricClouds.glsl
@@ -833,7 +833,7 @@ vec4 raymarchCloud(
 							#endif
 						}
 					#else
-						const vec3 sh = 1.0;
+						const vec3 sh = vec3(1.0);
 					#endif
 					
 					#if AURORA_LOCATION > 0