diff --git a/WPrefs.app/Expert.c b/WPrefs.app/Expert.c
index 8cf5d6d9..aee45fb9 100644
--- a/WPrefs.app/Expert.c
+++ b/WPrefs.app/Expert.c
@@ -81,6 +81,9 @@ static const struct {
 	  /* default: */ False, OPTION_WMAKER, "KbdModeLock" }
 #endif /* XKB_MODELOCK */
 
+	{ N_("Enable window snapping."),
+	  /* default: */ False, OPTION_WMAKER, "WindowSnapping" },
+
 };