diff --git a/Visual Studio Projects/PDP10-KA.vcproj b/Visual Studio Projects/PDP10-KA.vcproj
index 0a7d76f..471634a 100644
--- a/Visual Studio Projects/PDP10-KA.vcproj	
+++ b/Visual Studio Projects/PDP10-KA.vcproj	
@@ -206,6 +206,10 @@
 				RelativePath="..\PDP10\ka10_dkb.c"
 				>
 			</File>
+			<File
+				RelativePath="..\PDP10\ka10_dpk.c"
+				>
+			</File>
 			<File
 				RelativePath="..\PDP10\ka10_imx.c"
 				>