diff --git a/src/DockAreaTitleBar.h b/src/DockAreaTitleBar.h
index 5b01528..426e07a 100644
--- a/src/DockAreaTitleBar.h
+++ b/src/DockAreaTitleBar.h
@@ -34,7 +34,7 @@
 
 #include "ads_globals.h"
 
-QT_FORWARD_DECLARE_CLASS(QAbstractButton);
+QT_FORWARD_DECLARE_CLASS(QAbstractButton)
 
 namespace ads
 {
diff --git a/src/DockAreaWidget.h b/src/DockAreaWidget.h
index d7b5360..16f42d7 100644
--- a/src/DockAreaWidget.h
+++ b/src/DockAreaWidget.h
@@ -35,8 +35,8 @@
 #include "ads_globals.h"
 #include "DockWidget.h"
 
-QT_FORWARD_DECLARE_CLASS(QXmlStreamWriter);
-QT_FORWARD_DECLARE_CLASS(QAbstractButton);
+QT_FORWARD_DECLARE_CLASS(QXmlStreamWriter)
+QT_FORWARD_DECLARE_CLASS(QAbstractButton)
 
 namespace ads
 {
diff --git a/src/DockContainerWidget.h b/src/DockContainerWidget.h
index 50d3ae4..83ef086 100644
--- a/src/DockContainerWidget.h
+++ b/src/DockContainerWidget.h
@@ -35,7 +35,7 @@
 #include "ads_globals.h"
 #include "DockWidget.h"
 
-QT_FORWARD_DECLARE_CLASS(QXmlStreamWriter);
+QT_FORWARD_DECLARE_CLASS(QXmlStreamWriter)
 
 
 namespace ads
diff --git a/src/DockManager.h b/src/DockManager.h
index dcef92a..5daf893 100644
--- a/src/DockManager.h
+++ b/src/DockManager.h
@@ -36,8 +36,8 @@
 #include "FloatingDockContainer.h"
 
 
-QT_FORWARD_DECLARE_CLASS(QSettings);
-QT_FORWARD_DECLARE_CLASS(QMenu);
+QT_FORWARD_DECLARE_CLASS(QSettings)
+QT_FORWARD_DECLARE_CLASS(QMenu)
 
 namespace ads
 {
diff --git a/src/DockOverlay.h b/src/DockOverlay.h
index ab9bb6e..88905e0 100644
--- a/src/DockOverlay.h
+++ b/src/DockOverlay.h
@@ -26,10 +26,11 @@
 #include <QHash>
 #include <QRect>
 #include <QFrame>
-QT_FORWARD_DECLARE_CLASS(QGridLayout);
 
 #include "ads_globals.h"
 
+QT_FORWARD_DECLARE_CLASS(QGridLayout)
+
 namespace ads
 {
 struct DockOverlayPrivate;
diff --git a/src/DockWidget.h b/src/DockWidget.h
index 5432f11..15f58d3 100644
--- a/src/DockWidget.h
+++ b/src/DockWidget.h
@@ -34,8 +34,8 @@
 
 #include "ads_globals.h"
 
-QT_FORWARD_DECLARE_CLASS(QToolBar);
-QT_FORWARD_DECLARE_CLASS(QXmlStreamWriter);
+QT_FORWARD_DECLARE_CLASS(QToolBar)
+QT_FORWARD_DECLARE_CLASS(QXmlStreamWriter)
 
 namespace ads
 {
diff --git a/src/ads_globals.h b/src/ads_globals.h
index d017842..407bde3 100644
--- a/src/ads_globals.h
+++ b/src/ads_globals.h
@@ -37,7 +37,7 @@
 #include <QDebug>
 #include <QStyle>
 
-QT_FORWARD_DECLARE_CLASS(QAbstractButton);
+QT_FORWARD_DECLARE_CLASS(QAbstractButton)
 
 #ifndef ADS_STATIC
 #ifdef ADS_SHARED_EXPORT
@@ -60,7 +60,7 @@ QT_FORWARD_DECLARE_CLASS(QAbstractButton);
 // dumps to qDebug and std::cout after layout changes
 #define ADS_DEBUG_LEVEL 0
 
-QT_FORWARD_DECLARE_CLASS(QSplitter);
+QT_FORWARD_DECLARE_CLASS(QSplitter)
 
 namespace ads
 {