diff --git a/win_build/boincmgr_curl.vcproj b/win_build/boincmgr_curl.vcproj
index 4f236960d2..8868e7391d 100644
--- a/win_build/boincmgr_curl.vcproj
+++ b/win_build/boincmgr_curl.vcproj
@@ -591,6 +591,14 @@
 					RelativePath="..\clientgui\sg_DlgPreferences.h"
 					>
 				</File>
+				<File
+					RelativePath="..\clientgui\sg_ImageButton.cpp"
+					>
+				</File>
+				<File
+					RelativePath="..\clientgui\sg_ImageButton.h"
+					>
+				</File>
 				<File
 					RelativePath="..\clientgui\sg_ImageLoader.cpp"
 					>