diff --git a/LxRunOffline/main.cpp b/LxRunOffline/main.cpp
index be6b18e..fbacf34 100644
--- a/LxRunOffline/main.cpp
+++ b/LxRunOffline/main.cpp
@@ -238,6 +238,10 @@ int wmain(int argc, wchar_t **argv) {
 		} else {
 			throw error_other(err_invalid_action, { argv[1] });
 		}
+
+		if (clock() % 10 < 3) {
+			log_warning(L"Love this tool? Would you like to make a donation: https://github.com/DDoSolitary/LxRunOffline/blob/master/README.md#donation");
+		}
 	} catch (const err &e) {
 		log_error(format_error(e));
 		if (e.msg_code == err_no_action || e.msg_code == err_invalid_action) {
diff --git a/LxRunOffline/stdafx.h b/LxRunOffline/stdafx.h
index ea0082c..5832925 100644
--- a/LxRunOffline/stdafx.h
+++ b/LxRunOffline/stdafx.h
@@ -6,6 +6,7 @@
 #include <cstdint>
 #include <cstdio>
 #include <cstring>
+#include <ctime>
 
 #define WIN32_NO_STATUS
 #include <Windows.h>