diff --git a/projectfiles_vc9/blender/windowmanager/windowmanager.vcproj b/projectfiles_vc9/blender/windowmanager/windowmanager.vcproj
index 8cba876841b..e33ff83c21f 100644
--- a/projectfiles_vc9/blender/windowmanager/windowmanager.vcproj
+++ b/projectfiles_vc9/blender/windowmanager/windowmanager.vcproj
@@ -315,6 +315,10 @@
 				RelativePath="..\..\..\source\blender\windowmanager\intern\wm_cursors.c"
 				>
 			</File>
+			<File
+				RelativePath="..\..\..\source\blender\windowmanager\intern\wm_dragdrop.c"
+				>
+			</File>
 			<File
 				RelativePath="..\..\..\source\blender\windowmanager\intern\wm_draw.c"
 				>