diff --git a/src/popupwin.c b/src/popupwin.c
index e65b4bf..c6296df 100644
--- a/src/popupwin.c
+++ b/src/popupwin.c
@@ -1222,8 +1222,8 @@
 		|| wp->w_popup_pos == POPPOS_BOTLEFT))
 	{
 	    wp->w_wincol = wantcol - 1;
-	    if (wp->w_wincol >= Columns - 3)
-		wp->w_wincol = Columns - 3;
+	    if (wp->w_wincol >= Columns - 1)
+		wp->w_wincol = Columns - 1;
 	}
     }