diff -r cd72eae05bdf -r 3c00344f49c9 lemon/counter.h
--- a/lemon/counter.h	Mon Jul 16 16:21:40 2018 +0200
+++ b/lemon/counter.h	Wed Oct 17 19:14:07 2018 +0200
@@ -22,6 +22,8 @@
 #include <string>
 #include <iostream>
 
+#include <lemon/core.h>
+
 ///\ingroup timecount
 ///\file
 ///\brief Tools for counting steps and events