diff --git a/src/server/gui/core/components/DateTimeComponent.h b/src/server/gui/core/components/DateTimeComponent.h
index 55d70ca..63058ea 100644
--- a/src/server/gui/core/components/DateTimeComponent.h
+++ b/src/server/gui/core/components/DateTimeComponent.h
@@ -2,6 +2,7 @@
 #ifndef ES_CORE_COMPONENTS_DATE_TIME_COMPONENT_H
 #define ES_CORE_COMPONENTS_DATE_TIME_COMPONENT_H
 
+#include <ctime>
 #include "utils/TimeUtil.h"
 #include "TextComponent.h"
 
diff --git a/src/server/gui/core/utils/TimeUtil.h b/src/server/gui/core/utils/TimeUtil.h
index 9b44207..db69ad3 100644
--- a/src/server/gui/core/utils/TimeUtil.h
+++ b/src/server/gui/core/utils/TimeUtil.h
@@ -2,6 +2,7 @@
 #ifndef ES_CORE_UTILS_TIME_UTIL_H
 #define ES_CORE_UTILS_TIME_UTIL_H
 
+#include <ctime>
 #include <string>
 
 namespace Utils