diff -urN cui120/tab.c cui121/tab.c
--- cui120/tab.c	2014-04-18 23:00:00.000000000 +0900
+++ cui121/tab.c	2014-04-18 23:30:00.000000000 +0900
@@ -200,6 +200,7 @@
 		if(c2) cui_tab_set(obj, cui_tab_btn_sheet_get(c2));
 	}
 	for(c2=clst; c2!=c; c2=c2->next) cui_x_set(c2, c2->x - c->w);
+	cui_w_set(obj, obj->w - c->w);
 	cui_del_free(c);
 }