diff --git a/passman.h b/passman.h
index fd13ea4..3d9b80c 100755
--- a/passman.h
+++ b/passman.h
@@ -3,6 +3,7 @@
 
 #include <iostream>
 #include <vector>
+#include <array>
 #include <QString>
 #include <QCryptographicHash>
 #include <QRandomGenerator>