diff --git a/Kernel/Time/TimeManagement.h b/Kernel/Time/TimeManagement.h
index 01547c3901..4c073614fa 100644
--- a/Kernel/Time/TimeManagement.h
+++ b/Kernel/Time/TimeManagement.h
@@ -11,6 +11,7 @@
 #include <AK/Platform.h>
 #include <AK/Time.h>
 #include <AK/Types.h>
+#include <AK/Vector.h>
 #include <Kernel/API/TimePage.h>
 #include <Kernel/Arch/RegisterState.h>
 #include <Kernel/Forward.h>