diff --git a/src/seasidenamegrouper.h b/src/seasidenamegrouper.h
index 174422b..b34bdf2 100644
--- a/src/seasidenamegrouper.h
+++ b/src/seasidenamegrouper.h
@@ -32,6 +32,8 @@
 #ifndef SEASIDENAMEGROUPER_H
 #define SEASIDENAMEGROUPER_H
 
+#include "contactcacheexport.h"
+
 #include <QChar>
 #include <QList>
 #include <QContact>