diff --git a/project/vc8/nvtt/nvtt.vcproj b/project/vc8/nvtt/nvtt.vcproj
index 2ec821f..e9110a8 100644
--- a/project/vc8/nvtt/nvtt.vcproj
+++ b/project/vc8/nvtt/nvtt.vcproj
@@ -757,6 +757,10 @@
 					/>
 				</FileConfiguration>
 			</File>
+			<File
+				RelativePath="..\..\..\src\nvtt\Compressor.cpp"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\src\nvtt\CompressRGB.cpp"
 				>