--- a/src/level.py	Sun Aug 28 16:09:59 2011 +0200
+++ b/src/level.py	Sun Aug 28 16:20:56 2011 +0200
@@ -161,15 +161,15 @@
                 min(len(self.map[0]), area[2] + 1),
                 min(len(self.map), area[3] + 1))
         update = False
-        for y in range(area[1], area[3] + 1):
-            for x in range(area[0], area[2] + 1):
+        for y in range(area[1], area[3]):
+            for x in range(area[0], area[2]):
                 if not self.flags[y][x] & self.EXPLORED:
                     update = True
         if not update:
             return
         self.render_map(display, area)
-        for y in range(area[1], area[3] + 1):
-            for x in range(area[0], area[2] + 1):
+        for y in range(area[1], area[3]):
+            for x in range(area[0], area[2]):
                 self.flags[y][x] |= self.EXPLORED
 
     def render_map(self, to_display, area):