diff --git a/src/aux.c b/src/aux.c
index 1f82c36..975fec7 100644
--- a/src/aux.c
+++ b/src/aux.c
@@ -96,6 +96,7 @@ filter_lines (off_t from, off_t to, const char *sc, ed_buffer_t *ed)
       /* Reset signals for shell. */
       signal (SIGINT, SIG_DFL);
       signal (SIGQUIT, SIG_DFL);
+      signal (SIGPIPE, SIG_DFL);
 
       /*
        * Redirect read/write pipes to command's standard I/O. Close
diff --git a/src/cmds.c b/src/cmds.c
index 4bfac92..036040d 100644
--- a/src/cmds.c
+++ b/src/cmds.c
@@ -322,6 +322,7 @@ system_shell (const char *sc, ed_buffer_t *ed)
       /* Reset signals for shell. */
       signal (SIGINT, SIG_DFL);
       signal (SIGQUIT, SIG_DFL);
+      signal (SIGPIPE, SIG_DFL);
 
       if (execl ("/bin/sh", "sh", "-c", sc, NULL) < 0)
         {