diff --git a/ChangeLog b/ChangeLog
index 5081237ce5..97849df706 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-02-07  Richard Braun  <rbraun@sceen.net>
+
+	* hurd/hurd/signal.h (_hurd_critical_section_lock): Don't unlock
+	sigstate.
+
 2015-02-07  Samuel Thibault  <samuel.thibault@ens-lyon.org>
 
 	* sysdeps/pthread/aio_misc.c [!AIO_PRIO_DELTA_MAX]: Do not check
diff --git a/hurd/hurd/signal.h b/hurd/hurd/signal.h
index 4a744c10ed..e332242291 100644
--- a/hurd/hurd/signal.h
+++ b/hurd/hurd/signal.h
@@ -175,9 +175,8 @@ _hurd_critical_section_lock (void)
       /* The thread variable is unset; this must be the first time we've
 	 asked for it.  In this case, the critical section flag cannot
 	 possible already be set.  Look up our sigstate structure the slow
-	 way; this locks the sigstate lock.  */
+	 way.  */
       ss = *location = _hurd_thread_sigstate (__mach_thread_self ());
-      __spin_unlock (&ss->lock);
     }
 
   if (! __spin_try_lock (&ss->critical_section_lock))