diff --git a/desmume/src/windows/DeSmuME_2005.vcproj b/desmume/src/windows/DeSmuME_2005.vcproj
index 51923ec54..5e82e7673 100644
--- a/desmume/src/windows/DeSmuME_2005.vcproj
+++ b/desmume/src/windows/DeSmuME_2005.vcproj
@@ -912,6 +912,14 @@
 			RelativePath="..\GPU_osd.h"
 			>
 		</File>
+		<File
+			RelativePath="..\lua-engine.cpp"
+			>
+		</File>
+		<File
+			RelativePath="..\lua-engine.h"
+			>
+		</File>
 		<File
 			RelativePath="..\matrix.cpp"
 			>