diff --git a/valve/pbr/halflife.wad/halflife.mat b/valve/pbr/halflife.wad/halflife.mat
index db282ea..e644218 100644
--- a/valve/pbr/halflife.wad/halflife.mat
+++ b/valve/pbr/halflife.wad/halflife.mat
@@ -908,7 +908,7 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 //"normal_map" "C1A1W1J_normal.png"
 //"metal_map" "C1A1W1J_metal.png"
 //"roughness_map" "C1A1W1J_roughness.png"
-"metalness" "0.8"
+"metalness" "0"
 "roughness" "0.5"
 }
 
@@ -919,7 +919,7 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 //"normal_map" "C1A1W1K_normal.png"
 //"metal_map" "C1A1W1K_metal.png"
 //"roughness_map" "C1A1W1K_roughness.png"
-"metalness" "0.8"
+"metalness" "0"
 "roughness" "0.5"
 }
 
@@ -9568,7 +9568,7 @@ include "-[~LIGHT]/-[~LIGHT].mat"
 //"normal_map" "OUT_PAV3_normal.png"
 //"metal_map" "OUT_PAV3_metal.png"
 //"roughness_map" "OUT_PAV3_roughness.png"
-"metalness" "0.5" // FIXME
+"metalness" "1" // FIXME
 "roughness" "0.6"
 }