diff --git a/common/console.c b/common/console.c
index e4301a4932..71ad8efd6f 100644
--- a/common/console.c
+++ b/common/console.c
@@ -842,7 +842,7 @@ int console_record_readline(char *str, int maxlen)
 		return -ENOSPC;
 
 	return membuff_readline((struct membuff *)&gd->console_out, str,
-				maxlen, ' ');
+				maxlen, '\0');
 }
 
 int console_record_avail(void)