diff --git a/src/misc.erl b/src/misc.erl
index 891269cc1..c646ed442 100644
--- a/src/misc.erl
+++ b/src/misc.erl
@@ -483,5 +483,6 @@ get_dir(Type) ->
 %% Generates erlang:timestamp() that is guaranteed to unique
 -spec unique_timestamp() -> erlang:timestamp().
 unique_timestamp() ->
-    {MS, S, _} = erlang:timestamp(),
-    {MS, S, erlang:unique_integer([positive, monotonic])}.
+    Time = erlang:system_time(microsecond),
+    UI = erlang:unique_integer([positive, monotonic]),
+    usec_to_now(Time + UI).