diff --git a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Include/Spine-SkeletonLit-ForwardPass-URP.hlsl b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Include/Spine-SkeletonLit-ForwardPass-URP.hlsl
index e7c52f9d5..59dd18d50 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Include/Spine-SkeletonLit-ForwardPass-URP.hlsl
+++ b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Include/Spine-SkeletonLit-ForwardPass-URP.hlsl
@@ -16,8 +16,8 @@
 #define USE_ADAPTIVE_PROBE_VOLUMES
 #endif
 
-#if defined(FOG_LINEAR) || defined(FOG_EXP) || defined(FOG_EXP2)
-#define _FOG
+#if !(defined(FOG_LINEAR) || defined(FOG_EXP) || defined(FOG_EXP2))
+#undef _FOG
 #endif
 
 struct appdata {
diff --git a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Spine-SkeletonLit-URP.shader b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Spine-SkeletonLit-URP.shader
index 9fa6a60b5..a69c5eb0a 100644
--- a/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Spine-SkeletonLit-URP.shader
+++ b/spine-unity/Modules/com.esotericsoftware.spine.urp-shaders/Shaders/Spine-SkeletonLit-URP.shader
@@ -11,6 +11,7 @@ Shader "Universal Render Pipeline/Spine/Skeleton Lit" {
 		_Color("    Light Color", Color) = (1,1,1,1)
 		_Black("    Dark Color", Color) = (0,0,0,0)
 		[MaterialToggle(_ADAPTIVE_PROBE_VOLUMES_PER_PIXEL)]  _AdaptiveProbeVolumesPerPixel("APV per Pixel", Float) = 1
+		[MaterialToggle(_FOG)] _Fog("Fog", Float) = 0
 		[HideInInspector] _StencilRef("Stencil Reference", Float) = 1.0
 		[Enum(UnityEngine.Rendering.CompareFunction)] _StencilComp("Stencil Compare", Float) = 8 // Set to Always as default
 	}
@@ -53,6 +54,7 @@ Shader "Universal Render Pipeline/Spine/Skeleton Lit" {
 			#pragma multi_compile _ _LIGHT_AFFECTS_ADDITIVE
 			#pragma multi_compile_fragment _ _LIGHT_COOKIES
 			#pragma shader_feature _TINT_BLACK_ON
+			#pragma shader_feature _ _FOG
 			// Farward+ renderer keywords
 			#pragma multi_compile_fragment _ _LIGHT_LAYERS
 			#pragma multi_compile _ _FORWARD_PLUS