diff -r f05270f176d9 -r 18c89646185e lemon/counter.h
--- a/lemon/counter.h	Thu Apr 02 10:03:35 2015 +0200
+++ b/lemon/counter.h	Thu Apr 02 12:57:18 2015 +0200
@@ -22,6 +22,8 @@
 #include <string>
 #include <iostream>
 
+#include <lemon/core.h>
+
 ///\ingroup timecount
 ///\file
 ///\brief Tools for counting steps and events