diff --git a/YACReaderLibrary/server/yacreader_http_session_store.cpp b/YACReaderLibrary/server/yacreader_http_session_store.cpp
index 355ecba9..52a55bd3 100644
--- a/YACReaderLibrary/server/yacreader_http_session_store.cpp
+++ b/YACReaderLibrary/server/yacreader_http_session_store.cpp
@@ -1,5 +1,7 @@
 #include "yacreader_http_session_store.h"
 
+#include "yacreader_http_session.h"
+
 #include "httpsessionstore.h"