diff --git a/dungeonbattle/mapdisplay.py b/dungeonbattle/mapdisplay.py
index 7ae7cc7..230ab1c 100644
--- a/dungeonbattle/mapdisplay.py
+++ b/dungeonbattle/mapdisplay.py
@@ -22,7 +22,7 @@ class MapDisplay:
         deltay, deltax = curses.LINES - deltay, curses.COLS - deltay
         smaxrow = self.map.height - (y + deltay) + curses.LINES
         smaxrow = min(smaxrow, curses.LINES-1)
-        smaxcol = self.width - (x + deltax) + curses.COLS
+        smaxcol = self.map.width - (x + deltax) + curses.COLS
         smaxcol = min(smaxcol, curses.COLS-1)
         pminrow = max(0, min(self.map.height, pminrow)) 
         pmincol = max(0, min(self.map.width, pmincol))