diff --git a/src/server/game/Calendar/CalendarMgr.cpp b/src/server/game/Calendar/CalendarMgr.cpp
index 5aabb8b405..a4cb972e62 100644
--- a/src/server/game/Calendar/CalendarMgr.cpp
+++ b/src/server/game/Calendar/CalendarMgr.cpp
@@ -17,7 +17,6 @@
 
 #include "CalendarMgr.h"
 #include "QueryResult.h"
-#include "DatabaseEnv.h"
 #include "Log.h"
 #include "Player.h"
 #include "GuildMgr.h"
diff --git a/src/server/game/Calendar/CalendarMgr.h b/src/server/game/Calendar/CalendarMgr.h
index 9025217844..8f44b013e5 100644
--- a/src/server/game/Calendar/CalendarMgr.h
+++ b/src/server/game/Calendar/CalendarMgr.h
@@ -20,6 +20,7 @@
 
 #include <ace/Singleton.h>
 #include "Common.h"
+#include "DatabaseEnv.h"
 #include "WorldPacket.h"
 
 enum CalendarMailAnswers