diff --git a/msvc/libdivecomputer.vcproj b/msvc/libdivecomputer.vcproj
index db32a53..9ed1719 100644
--- a/msvc/libdivecomputer.vcproj
+++ b/msvc/libdivecomputer.vcproj
@@ -192,6 +192,10 @@
 				RelativePath="..\src\irda.c"
 				>
 			</File>
+			<File
+				RelativePath="..\src\mares_common.c"
+				>
+			</File>
 			<File
 				RelativePath="..\src\mares_nemo.c"
 				>
@@ -350,6 +354,10 @@
 				RelativePath="..\src\irda.h"
 				>
 			</File>
+			<File
+				RelativePath="..\src\mares_common.h"
+				>
+			</File>
 			<File
 				RelativePath="..\src\mares_nemo.h"
 				>