diff --git a/src/BeginnerHelper.h b/src/BeginnerHelper.h
index ffd47239ac..4cfb5e5295 100644
--- a/src/BeginnerHelper.h
+++ b/src/BeginnerHelper.h
@@ -8,6 +8,9 @@
 #include "PlayerNumber.h"
 #include "NoteData.h"
 #include "ThemeMetric.h"
+
+#include <array>
+
 class Model;
 /** @brief A dancing character that follows the steps of the Song. */
 class BeginnerHelper : public ActorFrame