diff --git a/src/tetris/main.cpp b/src/tetris/main.cpp
index 83ef3a672..c311a10fe 100644
--- a/src/tetris/main.cpp
+++ b/src/tetris/main.cpp
@@ -1,4 +1,5 @@
 #include <mutex>
+#include <array>
 #include <atomic>
 #include <thread>
 #include <chrono>