diff --git a/Ryujinx.Graphics/Gal/GalBlendFactor.cs b/Ryujinx.Graphics/Gal/GalBlendFactor.cs
index 7237c4eda..001aaaeca 100644
--- a/Ryujinx.Graphics/Gal/GalBlendFactor.cs
+++ b/Ryujinx.Graphics/Gal/GalBlendFactor.cs
@@ -20,6 +20,7 @@ namespace Ryujinx.Graphics.Gal
         ConstantColor         = 0x61,
         OneMinusConstantColor = 0x62,
         ConstantAlpha         = 0x63,
-        OneMinusConstantAlpha = 0x64
+        OneMinusConstantAlpha = 0x64,
+        ConstantColorG80      = 0xc001
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.Graphics/Gal/OpenGL/OGLEnumConverter.cs b/Ryujinx.Graphics/Gal/OpenGL/OGLEnumConverter.cs
index 50b802c1a..367204d51 100644
--- a/Ryujinx.Graphics/Gal/OpenGL/OGLEnumConverter.cs
+++ b/Ryujinx.Graphics/Gal/OpenGL/OGLEnumConverter.cs
@@ -184,6 +184,7 @@ namespace Ryujinx.Graphics.Gal.OpenGL
                 case GalBlendFactor.OneMinusSrc1Color:     return BlendingFactorSrc.OneMinusSrc1Color;
                 case GalBlendFactor.Src1Alpha:             return BlendingFactorSrc.Src1Alpha;
                 case GalBlendFactor.OneMinusSrc1Alpha:     return BlendingFactorSrc.OneMinusSrc1Alpha;
+                case GalBlendFactor.ConstantColorG80:      return BlendingFactorSrc.ConstantColor;
             }
 
             throw new ArgumentException(nameof(BlendFactor));
@@ -212,9 +213,10 @@ namespace Ryujinx.Graphics.Gal.OpenGL
                 case GalBlendFactor.OneMinusSrc1Color:     return BlendingFactorDest.OneMinusSrc1Color;
                 case GalBlendFactor.Src1Alpha:             return BlendingFactorDest.Src1Alpha;
                 case GalBlendFactor.OneMinusSrc1Alpha:     return BlendingFactorDest.OneMinusSrc1Alpha;
+                case GalBlendFactor.ConstantColorG80:      return BlendingFactorDest.ConstantColor;
             }
 
             throw new ArgumentException(nameof(BlendFactor));
         }
     }
-}
\ No newline at end of file
+}