diff --git a/src/librssguard/core/messagesmodel.cpp b/src/librssguard/core/messagesmodel.cpp
index 4facede41..f3c132ddc 100644
--- a/src/librssguard/core/messagesmodel.cpp
+++ b/src/librssguard/core/messagesmodel.cpp
@@ -3,10 +3,10 @@
 #include "core/messagesmodel.h"
 
 #include "core/messagesmodelcache.h"
-#include "definitions/definitions.h"
-#include "miscellaneous/application.h"
 #include "database/databasefactory.h"
 #include "database/databasequeries.h"
+#include "definitions/definitions.h"
+#include "miscellaneous/application.h"
 #include "miscellaneous/iconfactory.h"
 #include "miscellaneous/skinfactory.h"
 #include "miscellaneous/textfactory.h"
@@ -18,6 +18,8 @@
 #include <QSqlError>
 #include <QSqlField>
 
+#include <cmath>
+
 MessagesModel::MessagesModel(QObject* parent)
   : QSqlQueryModel(parent), m_cache(new MessagesModelCache(this)), m_messageHighlighter(MessageHighlighter::NoHighlighting),
   m_customDateFormat(QString()), m_selectedItem(nullptr), m_itemHeight(-1), m_displayFeedIcons(false) {