diff --git a/gui/ThemeManager.cpp b/gui/ThemeManager.cpp
index 8448326..8d16020 100644
--- a/gui/ThemeManager.cpp
+++ b/gui/ThemeManager.cpp
@@ -1,4 +1,5 @@
 #include "ThemeManager.hpp"
+#include <ctime>
 #ifdef SWITCH
 #include <switch.h>
 #endif