diff --git a/bash-4.1-pipe.dif b/bash-4.1-pipe.dif
index 921a180c..7f47a045 100644
--- a/bash-4.1-pipe.dif
+++ b/bash-4.1-pipe.dif
@@ -1,3 +1,13 @@
+--- command.h
++++ command.h	2010-08-13 16:48:35.739125676 +0200
+@@ -168,6 +168,7 @@ typedef struct element {
+ #define CMD_STDIN_REDIR	   0x400 /* async command needs implicit </dev/null */
+ #define CMD_COMMAND_BUILTIN 0x0800 /* command executed by `command' builtin */
+ #define CMD_COPROC_SUBSHELL 0x1000
++#define CMD_SYNC_PIPE       0x2000
+ 
+ /* What a command looks like. */
+ typedef struct command {
 --- execute_cmd.c
 +++ execute_cmd.c	2010-08-16 15:40:41.975126155 +0200
 @@ -256,6 +256,8 @@ int match_ignore_case = 0;