diff --git a/src/bin/bash/config.h b/src/bin/bash/config.h
index d550bddfb9..21c460b3e9 100644
--- a/src/bin/bash/config.h
+++ b/src/bin/bash/config.h
@@ -404,7 +404,7 @@
 
 /* #undef OPENDIR_NOT_ROBUST */
 
-/* #undef PGRP_PIPE */
+#define PGRP_PIPE 1
 
 /* Define if the setvbuf function takes the buffering type as its second
    argument and the buffer pointer as the third, as on System V