diff --git a/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_lighting_mtoon.hlsl b/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_lighting_mtoon.hlsl
index 1077311d8..39a3c5eb4 100644
--- a/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_lighting_mtoon.hlsl
+++ b/Assets/VRMShaders/VRM10/MToon10/Resources/VRM10/vrmc_materials_mtoon_lighting_mtoon.hlsl
@@ -134,7 +134,7 @@ inline half3 GetMToonLighting_Rim_Matcap(const MToonInput input)
 
 inline half3 GetMToonLighting_Rim(const UnityLighting unityLight, const MToonInput input, const half shadow)
 {
-    const half3 parametricRimFactor = pow(saturate(1.0 - dot(input.normalWS, input.viewDirWS) + _RimLift), _RimFresnelPower) * _RimColor.rgb;
+    const half3 parametricRimFactor = pow(saturate(1.0 - dot(input.normalWS, input.viewDirWS) + _RimLift), max(_RimFresnelPower, EPS_COL)) * _RimColor.rgb;
     const half3 matcapFactor = GetMToonLighting_Rim_Matcap(input);
     const half3 directLightingFactor = unityLight.directLightColor * shadow;