diff --git a/Source/Core/VideoCommon/TextureConversionShader.cpp b/Source/Core/VideoCommon/TextureConversionShader.cpp
index 19f2a384f0..2c53250cea 100644
--- a/Source/Core/VideoCommon/TextureConversionShader.cpp
+++ b/Source/Core/VideoCommon/TextureConversionShader.cpp
@@ -749,8 +749,8 @@ static void WriteXFBEncoder(ShaderCode& code, APIType api_type, const EFBCopyPar
   WriteSampleColor(code, "rgb", "color1", 1, api_type, params);
 
   // Gamma is only applied to XFB copies.
-  code.Write("  color0 = pow(color0, float3(gamma_rcp, gamma_rcp, gamma_rcp));\n"
-             "  color1 = pow(color1, float3(gamma_rcp, gamma_rcp, gamma_rcp));\n");
+  code.Write("  color0 = pow(abs(color0), float3(gamma_rcp, gamma_rcp, gamma_rcp));\n"
+             "  color1 = pow(abs(color1), float3(gamma_rcp, gamma_rcp, gamma_rcp));\n");
 
   // Convert to YUV.
   code.Write("  const float3 y_const = float3(0.257, 0.504, 0.098);\n"
diff --git a/Source/Core/VideoCommon/TextureConverterShaderGen.cpp b/Source/Core/VideoCommon/TextureConverterShaderGen.cpp
index c5a440b801..579dbf69c5 100644
--- a/Source/Core/VideoCommon/TextureConverterShaderGen.cpp
+++ b/Source/Core/VideoCommon/TextureConverterShaderGen.cpp
@@ -313,8 +313,8 @@ ShaderCode GeneratePixelShader(APIType api_type, const UidData* uid_data)
       break;
 
     case EFBCopyFormat::XFB:
-      out.Write(
-          "  ocol0 = float4(pow(texcol.rgb, float3(gamma_rcp, gamma_rcp, gamma_rcp)), 1.0f);\n");
+      out.Write("  ocol0 = float4(pow(abs(texcol.rgb), float3(gamma_rcp, gamma_rcp, gamma_rcp)), "
+                "1.0f);\n");
       break;
 
     default: