diff --git a/src/core/random_func.cpp b/src/core/random_func.cpp
--- a/src/core/random_func.cpp
+++ b/src/core/random_func.cpp
@@ -17,7 +17,7 @@
 #include "../network/network_internal.h"
 #include "../company_func.h"
 #include "../fileio_func.h"
-#include "../date_func.h"
+#include "../timer/timer_game_calendar.h"
 #endif /* RANDOM_DEBUG */
 
 #include "../safeguards.h"
@@ -72,7 +72,7 @@ void SetRandomSeed(uint32 seed)
 uint32 DoRandom(int line, const char *file)
 {
 	if (_networking && (!_network_server || (NetworkClientSocket::IsValidID(0) && NetworkClientSocket::Get(0)->status != NetworkClientSocket::STATUS_INACTIVE))) {
-		Debug(random, 0, "{:08x}; {:02x}; {:04x}; {:02x}; {}:{}", _date, _date_fract, _frame_counter, (byte)_current_company, file, line);
+		Debug(random, 0, "{:08x}; {:02x}; {:04x}; {:02x}; {}:{}", TimerGameCalendar::date, TimerGameCalendar::date_fract, _frame_counter, (byte)_current_company, file, line);
 	}
 
 	return _random.Next();