diff --git a/Source/Shaders/VolumetricFog.shader b/Source/Shaders/VolumetricFog.shader
index 0dbbb208f..0032149b2 100644
--- a/Source/Shaders/VolumetricFog.shader
+++ b/Source/Shaders/VolumetricFog.shader
@@ -7,6 +7,8 @@
 
 #define NO_GBUFFER_SAMPLING
 #define LIGHTING_NO_DIRECTIONAL 1
+#define LIGHTING_NO_SPECULAR 0
+#define SHADOWS_QUALITY 0
 
 // Debug voxels world space positions
 #define DEBUG_VOXEL_WS_POS 0