diff --git a/workspaces/vc9/assimp.vcproj b/workspaces/vc9/assimp.vcproj
index e48b024c8..7d3f0183a 100644
--- a/workspaces/vc9/assimp.vcproj
+++ b/workspaces/vc9/assimp.vcproj
@@ -1970,6 +1970,14 @@
 					RelativePath="..\..\code\ConvertToLHProcess.h"
 					>
 				</File>
+				<File
+					RelativePath="..\..\code\DeboneProcess.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\..\code\DeboneProcess.h"
+					>
+				</File>
 				<File
 					RelativePath="..\..\code\FindDegenerates.cpp"
 					>
@@ -2066,6 +2074,10 @@
 					RelativePath="..\..\code\PretransformVertices.h"
 					>
 				</File>
+				<File
+					RelativePath="..\..\code\ProcessHelper.cpp"
+					>
+				</File>
 				<File
 					RelativePath="..\..\code\ProcessHelper.h"
 					>