diff --git a/linkcheck/httplib2.py b/linkcheck/httplib2.py
index 8662e93c..da36b42e 100644
--- a/linkcheck/httplib2.py
+++ b/linkcheck/httplib2.py
@@ -70,6 +70,7 @@ Req-sent-unread-response       _CS_REQ_SENT       <response_class>
 """
 
 import errno
+import sys
 import mimetools
 from array import array
 import os
@@ -369,7 +370,7 @@ class HTTPResponse:
         if len(line) > _MAXLINE:
             raise LineTooLong("header line")
         if self.debuglevel > 0:
-            print "reply:", repr(line)
+            print >>sys.stderr, "reply:", repr(line)
         if not line:
             # Presumably, the server closed the connection before
             # sending a valid response.
@@ -421,7 +422,7 @@ class HTTPResponse:
                 if not skip:
                     break
                 if self.debuglevel > 0:
-                    print "header:", skip
+                    print >>sys.stderr, "header:", skip
 
         self.status = status
         self.reason = reason.strip()
@@ -444,7 +445,7 @@ class HTTPResponse:
         self.msg = HTTPMessage(self.fp, 0)
         if self.debuglevel > 0:
             for hdr in self.msg.headers:
-                print "header:", hdr,
+                print >>sys.stderr, "header:", hdr,
 
         # don't let the msg keep an fp
         self.msg.fp = None
@@ -798,11 +799,11 @@ class HTTPConnection:
         # NOTE: we DO propagate the error, though, because we cannot simply
         #       ignore the error... the caller will know if they can retry.
         if self.debuglevel > 0:
-            print "send:", repr(data)
+            print >>sys.stderr, "send:", repr(data)
         try:
             blocksize=8192
             if hasattr(data,'read') and not isinstance(data, array):
-                if self.debuglevel > 0: print "sendIng a read()able"
+                if self.debuglevel > 0: print >>sys.stderr, "sendIng a read()able"
                 datablock=data.read(blocksize)
                 while datablock:
                     self.sock.sendall(datablock)
@@ -1004,7 +1005,7 @@ class HTTPConnection:
                 thelen = str(os.fstat(body.fileno()).st_size)
             except (AttributeError, OSError):
                 # Don't send a length if this failed
-                if self.debuglevel > 0: print "Cannot stat!!"
+                if self.debuglevel > 0: print >>sys.stderr, "Cannot stat!!"
 
         if thelen is not None:
             self.putheader('Content-Length', thelen)