diff --git a/world/world_event_scheduler.cpp b/world/world_event_scheduler.cpp
index 444b91965..d32d44758 100644
--- a/world/world_event_scheduler.cpp
+++ b/world/world_event_scheduler.cpp
@@ -1,5 +1,6 @@
 #include "world_event_scheduler.h"
 #include "../common/servertalk.h"
+#include <ctime>
 
 void WorldEventScheduler::Process(ZSList *zs_list)
 {
diff --git a/zone/zone_event_scheduler.cpp b/zone/zone_event_scheduler.cpp
index a300a0489..c666ce233 100644
--- a/zone/zone_event_scheduler.cpp
+++ b/zone/zone_event_scheduler.cpp
@@ -1,5 +1,6 @@
 #include "zone_event_scheduler.h"
 #include "../common/rulesys.h"
+#include <ctime>
 
 void ZoneEventScheduler::Process(Zone *zone, WorldContentService *content_service)
 {