diff --git a/src/multimediakit/qmediaenumdebug.h b/src/multimediakit/qmediaenumdebug.h
index 5110a181..3fa7ee82 100644
--- a/src/multimediakit/qmediaenumdebug.h
+++ b/src/multimediakit/qmediaenumdebug.h
@@ -55,6 +55,8 @@
 #include <QtCore/qmetaobject.h>
 #include <QtCore/qdebug.h>
 
+QT_BEGIN_HEADER
+
 #ifndef QT_NO_DEBUG_STREAM
 
 #define Q_MEDIA_ENUM_DEBUG(Class,Enum) \
@@ -71,6 +73,7 @@ inline QDebug operator<<(QDebug dbg, Class::Enum value) \
 
 #endif //QT_NO_DEBUG_STREAM
 
+QT_END_HEADER
 
 #endif
 
diff --git a/src/multimediakit/qmediaplayer.h b/src/multimediakit/qmediaplayer.h
index af096147..6bd31848 100644
--- a/src/multimediakit/qmediaplayer.h
+++ b/src/multimediakit/qmediaplayer.h
@@ -52,8 +52,6 @@
 
 QT_BEGIN_HEADER
 
-QT_BEGIN_HEADER
-
 QT_BEGIN_NAMESPACE
 
 QT_MODULE(Multimedia)
diff --git a/src/multimediakit/qtmultimediakitdefs.h b/src/multimediakit/qtmultimediakitdefs.h
index 5ddc3e91..c7ba7101 100644
--- a/src/multimediakit/qtmultimediakitdefs.h
+++ b/src/multimediakit/qtmultimediakitdefs.h
@@ -55,6 +55,8 @@
 
 #include <QtCore/qglobal.h>
 
+QT_BEGIN_HEADER
+
 #if defined(Q_OS_WIN)
 #  if defined(QT_NODLL)
 #    undef QT_MAKEDLL
@@ -81,5 +83,8 @@
 #  endif
 #endif
 
+QT_END_HEADER
+
+
 #endif // QMULTIMEDIAKIT_P_H
 
diff --git a/src/multimediakitwidgets/qtmultimediakitwidgetdefs.h b/src/multimediakitwidgets/qtmultimediakitwidgetdefs.h
index c9d3202a..6001629c 100644
--- a/src/multimediakitwidgets/qtmultimediakitwidgetdefs.h
+++ b/src/multimediakitwidgets/qtmultimediakitwidgetdefs.h
@@ -55,6 +55,8 @@
 
 #include <QtCore/qglobal.h>
 
+QT_BEGIN_HEADER
+
 #if defined(Q_OS_WIN)
 #  if defined(QT_NODLL)
 #    undef QT_MAKEDLL
@@ -81,5 +83,7 @@
 #  endif
 #endif
 
+QT_END_HEADER
+
 #endif // QMULTIMEDIAKITWIDGETS_P_H