diff --git a/src/core/Utils.h b/src/core/Utils.h
index 7b7646c2..8018f400 100644
--- a/src/core/Utils.h
+++ b/src/core/Utils.h
@@ -5,6 +5,7 @@
 #define SCANTAILOR_CORE_UTILS_H_
 
 #include <QString>
+#include <QObject>
 #include <map>
 #include <unordered_map>