diff --git a/src/lib/adblock/adblockrule.h b/src/lib/adblock/adblockrule.h
index a624a72c2..868512c5e 100644
--- a/src/lib/adblock/adblockrule.h
+++ b/src/lib/adblock/adblockrule.h
@@ -47,6 +47,7 @@
 #define ADBLOCKRULE_H
 
 #include <QObject>
+#include <QStringList>
 #include <QStringMatcher>
 
 #include "qzcommon.h"