diff --git a/libs/ecs/source/container.cpp b/libs/ecs/source/container.cpp
index 944a858d..ac0ba484 100644
--- a/libs/ecs/source/container.cpp
+++ b/libs/ecs/source/container.cpp
@@ -1,6 +1,8 @@
 #include <psemek/ecs/container.hpp>
 #include <psemek/util/assert.hpp>
 
+#include <algorithm>
+
 namespace psemek::ecs
 {