diff --git a/Source/Core/VideoCommon/Src/TextureDecoder.h b/Source/Core/VideoCommon/Src/TextureDecoder.h
index ff7a3fe568..7995dbda0a 100644
--- a/Source/Core/VideoCommon/Src/TextureDecoder.h
+++ b/Source/Core/VideoCommon/Src/TextureDecoder.h
@@ -77,6 +77,7 @@ enum PC_TexFormat
 	PC_TEX_FMT_I8,
 	PC_TEX_FMT_IA8,
 	PC_TEX_FMT_RGB565,
+	PC_TEX_FMT_DXT1,
 };
 
 PC_TexFormat TexDecoder_Decode(u8 *dst, const u8 *src, int width, int height, int texformat, int tlutaddr, int tlutfmt);