diff --git a/Lib/zipfile.py b/Lib/zipfile.py
index a0beae2..fe71765 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile.py
@@ -1492,18 +1492,7 @@
             sys.exit(1)
 
         with ZipFile(args[1], 'r') as zf:
-            out = args[2]
-            for path in zf.namelist():
-                if path.startswith('./'):
-                    tgt = os.path.join(out, path[2:])
-                else:
-                    tgt = os.path.join(out, path)
-
-                tgtdir = os.path.dirname(tgt)
-                if not os.path.exists(tgtdir):
-                    os.makedirs(tgtdir)
-                with open(tgt, 'wb') as fp:
-                    fp.write(zf.read(path))
+            zf.extractall(args[2])
 
     elif args[0] == '-c':
         if len(args) < 3: