diff --git a/Visual Studio Projects/PDP10-KS.vcproj b/Visual Studio Projects/PDP10-KS.vcproj
index cdf5fa9..cc0278b 100644
--- a/Visual Studio Projects/PDP10-KS.vcproj	
+++ b/Visual Studio Projects/PDP10-KS.vcproj	
@@ -209,6 +209,10 @@
 				RelativePath="..\PDP10\ks10_dz.c"
 				>
 			</File>
+			<File
+				RelativePath="..\PDP10\ks10_lp.c"
+				>
+			</File>
 			<File
 				RelativePath="..\PDP10\ks10_tcu.c"
 				>