diff --git a/reference.c b/reference.c
index c4b6013..0f26822 100644
--- a/reference.c
+++ b/reference.c
@@ -190,6 +190,9 @@ REF_Initialise(void)
     log_change_threshold = fabs(log_change_threshold);
   }
 
+  /* Make first entry in tracking log */
+  REF_SetUnsynchronised();
+
   return;
 }