diff --git a/ChangeLog b/ChangeLog
index 04f5693376..faa1e6396a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -3,6 +3,8 @@
 	* sysdeps/mach/hurd/profil.c (update_waiter): Initialize
 	profil_reply_port.
 	(profile_waiter): Do not initialize profil_reply_port.
+	* sysdeps/mach/hurd/profil.c (__profile_frequency): Return tick
+	frequency instead of tick length in us.
 
 2016-04-18  Wilco Dijkstra  <wdijkstr@arm.com>
 
diff --git a/sysdeps/mach/hurd/profil.c b/sysdeps/mach/hurd/profil.c
index be249bbbe3..a2c4e55bf5 100644
--- a/sysdeps/mach/hurd/profil.c
+++ b/sysdeps/mach/hurd/profil.c
@@ -102,7 +102,7 @@ update_waiter (u_short *sample_buffer, size_t size, size_t offset, u_int scale)
 int
 __profile_frequency (void)
 {
-  return profile_tick;
+  return 1000000 / profile_tick;
 }
 libc_hidden_def (__profile_frequency)