diff --git a/crt/shaders/crt-lottes-fast.slang b/crt/shaders/crt-lottes-fast.slang
index 50e3c91..0ee6dcd 100644
--- a/crt/shaders/crt-lottes-fast.slang
+++ b/crt/shaders/crt-lottes-fast.slang
@@ -154,7 +154,7 @@ layout(set = 0, binding = 2) uniform sampler2D Source;
 // Don't do this in your code
 	float FromSrgb1(float c){
 		return (c<=0.04045)?c*(1.0/12.92):
-			pow(c*(1.0/1.055)+(0.055/1.055),params.CRT_GAMMA);}
+			pow(abs(c)*(1.0/1.055)+(0.055/1.055),params.CRT_GAMMA);}
 //--------------------------------------------------------------
 vec3 FromSrgb(vec3 c){return vec3(
  FromSrgb1(c.r),FromSrgb1(c.g),FromSrgb1(c.b));}
@@ -363,7 +363,7 @@ vec3 CrtsFetch(vec2 uv){
    return m;
   }
 //--------------------------------------------------------------
-  if(params.MASK == 1.0){
+  else if(params.MASK == 1.0){
    CrtsF3 m=CrtsF3(1.0,1.0,1.0);
    CrtsF1 x=CrtsFractF1(pos.x*(1.0/3.0));
    if(x<(1.0/3.0))m.r=dark;
@@ -372,11 +372,7 @@ vec3 CrtsFetch(vec2 uv){
    return m;
   }
 //--------------------------------------------------------------
-  if(params.MASK == 0.0){
-   return CrtsF3(1.0,1.0,1.0);
-  }
-//--------------------------------------------------------------
-  if(params.MASK == 3.0){
+  else if(params.MASK == 3.0){
    pos.x+=pos.y*2.9999;
    CrtsF3 m=CrtsF3(dark,dark,dark);
    CrtsF1 x=CrtsFractF1(pos.x*(1.0/6.0));
@@ -385,6 +381,10 @@ vec3 CrtsFetch(vec2 uv){
    else m.b=1.0;
    return m;
   }
+//--------------------------------------------------------------
+  else{
+   return CrtsF3(1.0,1.0,1.0);
+  }
  }
 //_____________________________/\_______________________________
 //==============================================================
diff --git a/reshade/shaders/blendoverlay/blendoverlay.slang b/reshade/shaders/blendoverlay/blendoverlay.slang
index ff27bcd..d565629 100644
--- a/reshade/shaders/blendoverlay/blendoverlay.slang
+++ b/reshade/shaders/blendoverlay/blendoverlay.slang
@@ -16,8 +16,8 @@ layout(push_constant) uniform Push
 } params;
 
 #pragma parameter OverlayMix "Overlay Mix" 1.0 0.0 1.0 0.05
-#pragma parameter LUTWidth "LUT Width" 6.0 1.0 30.0 1.0
-#pragma parameter LUTHeight "LUT Height" 4.0 1.0 30.0 1.0
+#pragma parameter LUTWidth "LUT Width" 6.0 1.0 1920.0 1.0
+#pragma parameter LUTHeight "LUT Height" 4.0 1.0 1920.0 1.0
 
 #define OverlayMix params.OverlayMix
 #define LUTWidth params.LUTWidth