diff --git a/ACL.h b/ACL.h
index 22218aff5..af95abbfd 100644
--- a/ACL.h
+++ b/ACL.h
@@ -31,6 +31,8 @@
 #ifndef _ACL_H
 #define _ACL_H
 
+#include "murmur_pch.h"
+
 class Channel;
 class Player;
 
diff --git a/Channel.h b/Channel.h
index d119cfb70..1651ac6a7 100644
--- a/Channel.h
+++ b/Channel.h
@@ -31,6 +31,8 @@
 #ifndef _CHANNEL_H
 #define _CHANNEL_H
 
+#include "murmur_pch.h"
+
 class Player;
 class Group;
 class ChanACL;
diff --git a/Connection.h b/Connection.h
index 378751667..bbcb4466c 100644
--- a/Connection.h
+++ b/Connection.h
@@ -31,6 +31,8 @@
 #ifndef _CONNECTION_H
 #define _CONNECTION_H
 
+#include "murmur_pch.h"
+
 class Message;
 
 class Connection : public QObject {
diff --git a/Group.h b/Group.h
index 3ba71d465..645ee511c 100644
--- a/Group.h
+++ b/Group.h
@@ -31,6 +31,8 @@
 #ifndef _GROUP_H
 #define _GROUP_H
 
+#include "murmur_pch.h"
+
 class Channel;
 class Player;
 
diff --git a/Player.h b/Player.h
index e3161b397..cc6690965 100644
--- a/Player.h
+++ b/Player.h
@@ -31,6 +31,8 @@
 #ifndef _PLAYER_H
 #define _PLAYER_H
 
+#include "murmur_pch.h"
+
 class Channel;
 
 class Player : public QObject {
diff --git a/Server.h b/Server.h
index c3875919e..50cf3ad6f 100644
--- a/Server.h
+++ b/Server.h
@@ -31,6 +31,8 @@
 #ifndef _SERVER_H
 #define _SERVER_H
 
+#include "murmur_pch.h"
+
 class Player;
 class Connection;
 class Message;
diff --git a/ServerDB.h b/ServerDB.h
index 78308d689..52a71cf6c 100644
--- a/ServerDB.h
+++ b/ServerDB.h
@@ -31,6 +31,8 @@
 #ifndef _DATABASE_H
 #define _DATABASE_H
 
+#include "murmur_pch.h"
+
 class Channel;
 class Player;
 class Connection;
diff --git a/murmur.cpp b/murmur.cpp
index d9ce0d53f..95e276f39 100644
--- a/murmur.cpp
+++ b/murmur.cpp
@@ -28,6 +28,8 @@
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
+#include "murmur_pch.h"
+
 #ifdef Q_OS_WIN
 #include <windows.h>
 #endif
diff --git a/murmur_pch.h b/murmur_pch.h
index 50121dce1..ceb906db0 100644
--- a/murmur_pch.h
+++ b/murmur_pch.h
@@ -1,5 +1,7 @@
+#ifndef _MURMUR_PCH_H
+#define _MURMUR_PCH_H
 #include <QtCore>
 #include <QtNetwork>
 #include <QtSql>
-
 #include <math.h>
+#endif