diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index a918759da..0ab179e91 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2012-03-27  Corinna Vinschen  <corinna@vinschen.de>
+
+	* times.cc (clock_setres): Revert previous change.
+
 2012-03-26  Corinna Vinschen  <corinna@vinschen.de>
 
 	* fhandler.h (class fhandler_dev_clipboard): Add fstat method.
diff --git a/winsup/cygwin/times.cc b/winsup/cygwin/times.cc
index 051be82ba..a94911b08 100644
--- a/winsup/cygwin/times.cc
+++ b/winsup/cygwin/times.cc
@@ -823,10 +823,7 @@ clock_setres (clockid_t clk_id, struct timespec *tp)
       __seterrno_from_nt_status (status);
       return -1;
     }
-  /* The actual resolution of the OS timer is a system-wide setting which
-     can be changed any time, by any process.  The only fixed value we can
-     rely on is the coarsest value. */
-  minperiod = coarsest;
+  minperiod = actual;
   period_set = true;
   return 0;
 }