diff --git a/platform/win32/contiki.exe.vcproj b/platform/win32/contiki.exe.vcproj
index 0a58c5d6e..2f9e4c533 100644
--- a/platform/win32/contiki.exe.vcproj
+++ b/platform/win32/contiki.exe.vcproj
@@ -278,6 +278,10 @@
 			<Filter
 				Name="lib"
 				>
+				<File
+					RelativePath="..\..\core\lib\energest.h"
+					>
+				</File>
 				<File
 					RelativePath="..\..\core\lib\list.h"
 					>