diff --git a/files/materials/core.h b/files/materials/core.h
index e9577bbf3c..1c9ea1d1d2 100644
--- a/files/materials/core.h
+++ b/files/materials/core.h
@@ -1,5 +1,6 @@
-#define gammaCorrectRead(v) pow(v, float3(gammaCorrection,gammaCorrection,gammaCorrection))
-#define gammaCorrectOutput(v) pow(v, float3(1.f/gammaCorrection,1.f/gammaCorrection,1.f/gammaCorrection))
+#define gammaCorrectRead(v) pow(max(v, 0.00001f), float3(gammaCorrection,gammaCorrection,gammaCorrection))
+#define gammaCorrectOutput(v) pow(max(v, 0.00001f), float3(1.f/gammaCorrection,1.f/gammaCorrection,1.f/gammaCorrection))
+
 
 
 #if SH_HLSL == 1 || SH_CG == 1