diff --git a/daemon/face/lp-reliability.hpp b/daemon/face/lp-reliability.hpp
index 896cc0e..9521183 100644
--- a/daemon/face/lp-reliability.hpp
+++ b/daemon/face/lp-reliability.hpp
@@ -57,7 +57,7 @@
 
     /** \brief period between sending pending Acks in an IDLE packet
      */
-    time::nanoseconds idleAckTimerPeriod = time::milliseconds(5);
+    time::nanoseconds idleAckTimerPeriod = 5_ms;
 
     /** \brief a fragment is considered lost if this number of fragments with greater sequence
      *         numbers are acknowledged