-diff --git a/io.c b/io.c
-index a6e786f..2bb8f28 100644
---- a/io.c
-+++ b/io.c
-@@ -2078,6 +2078,7 @@ use_pipes:
- || close(ctop[0]) == -1 || close(ctop[1]) == -1)
- fatal(_("close of pipe failed (%s)"), strerror(errno));
- /* stderr does NOT get dup'ed onto child's stdout */
-+ signal(SIGPIPE, SIG_DFL);
- execl("/bin/sh", "sh", "-c", str, NULL);
- _exit(errno == ENOENT ? 127 : 126);
- }
-@@ -2271,6 +2272,7 @@ gawk_popen(const char *cmd, struct redirect *rp)
- fatal(_("moving pipe to stdout in child failed (dup: %s)"), strerror(errno));
- if (close(p[0]) == -1 || close(p[1]) == -1)
- fatal(_("close of pipe failed (%s)"), strerror(errno));
-+ signal(SIGPIPE, SIG_DFL);
- execl("/bin/sh", "sh", "-c", cmd, NULL);
- _exit(errno == ENOENT ? 127 : 126);
- }