diff --git a/ChangeLog b/ChangeLog
index 863afe0ce6..3ca2409663 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -37,6 +37,8 @@
 	critical section to make code simpler and avoid warning.
 	* sysdeps/mach/hurd/getresuid.c (__getresuid): Set result from
 	critical section to make code simpler and avoid warning.
+	* sysdeps/mach/hurd/spawni.c (__spawni): Make relpath and abspath
+	const char * instead of char *.
 
 2018-01-27  James Clarke  <jrtc27@jrtc27.com>
 
diff --git a/sysdeps/mach/hurd/spawni.c b/sysdeps/mach/hurd/spawni.c
index aa3b0c4660..9351c13e56 100644
--- a/sysdeps/mach/hurd/spawni.c
+++ b/sysdeps/mach/hurd/spawni.c
@@ -45,7 +45,8 @@ __spawni (pid_t *pid, const char *file,
 {
   pid_t new_pid;
   char *path, *p, *name;
-  char *concat_name = NULL, *relpath, *abspath;
+  char *concat_name = NULL;
+  const char *relpath, *abspath;
   int res;
   size_t len;
   size_t pathlen;