diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index b7a8f46c9..e2c25b7a0 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2006-04-27  Corinna Vinschen  <corinna@vinschen.de>
+
+	* pipe.cc (DEFAULT_PIPEBUFSIZE): Raise to 64K.
+
 2006-04-26  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler.h (fhandler_base): Change fstat_helper prototype
diff --git a/winsup/cygwin/pipe.cc b/winsup/cygwin/pipe.cc
index a01a2dc39..e6e9c7d0c 100644
--- a/winsup/cygwin/pipe.cc
+++ b/winsup/cygwin/pipe.cc
@@ -494,7 +494,7 @@ fhandler_pipe::ioctl (unsigned int cmd, void *p)
   return 0;
 }
 
-#define DEFAULT_PIPEBUFSIZE (4 * PIPE_BUF)
+#define DEFAULT_PIPEBUFSIZE (16 * PIPE_BUF)
 
 extern "C" int
 pipe (int filedes[2])