diff --git a/src/mumble/ManualPlugin.cpp b/src/mumble/ManualPlugin.cpp
index 454b6ccf1..7abaa218b 100644
--- a/src/mumble/ManualPlugin.cpp
+++ b/src/mumble/ManualPlugin.cpp
@@ -17,6 +17,8 @@
 #include "ManualPlugin.h"
 #include "ui_ManualPlugin.h"
 
+#include <float.h>
+
 #ifdef Q_OS_UNIX
 #define __cdecl
 typedef WId HWND;
diff --git a/src/mumble/ManualPlugin.h b/src/mumble/ManualPlugin.h
index 4ce5e9473..d1358f352 100644
--- a/src/mumble/ManualPlugin.h
+++ b/src/mumble/ManualPlugin.h
@@ -19,6 +19,10 @@
 
 #include "ui_ManualPlugin.h"
 
+#ifdef Q_OS_UNIX
+typedef WId HWND;
+#endif
+
 #include "../../plugins/mumble_plugin.h"
 
 class Manual : public QDialog, public Ui::Manual {