Index: lib/matplotlib/axes.py
===================================================================
--- lib/matplotlib/axes.py	(revision 8954)
+++ lib/matplotlib/axes.py	(working copy)
@@ -7793,8 +7793,7 @@
                     patches.append( self.fill(x, y,
                         closed=False, facecolor=c) )
                 else:
-                    patches.append( self.fill(x, y,
-                        closed=False, edgecolor=c, fill=False) )
+                    patches.append( self.plot(x, y,color=c) )
 
             # adopted from adjust_x/ylim part of the bar method
             if orientation == 'horizontal':