diff --git a/stratagus.dsp b/stratagus.dsp
index 31de74add..fd71612fe 100644
--- a/stratagus.dsp
+++ b/stratagus.dsp
@@ -695,6 +695,10 @@ SOURCE=.\src\video\video.c
 # End Source File
 # End Group
 # End Group
+# Begin Source File
+
+SOURCE=.\src\stratagus\util.c
+# End Source File
 # End Group
 # Begin Group "Header Files"