diff --git a/src/plugins/projectexplorer/projectwindow.h b/src/plugins/projectexplorer/projectwindow.h
index 1c06a09a7e7..77d6b130214 100644
--- a/src/plugins/projectexplorer/projectwindow.h
+++ b/src/plugins/projectexplorer/projectwindow.h
@@ -30,6 +30,8 @@
 #ifndef PROJECTWINDOW_H
 #define PROJECTWINDOW_H
 
+#include "projectexplorer_export.h"
+
 #include <QMap>
 #include <QScrollArea>
 
@@ -48,11 +50,7 @@ class Target;
 class BuildConfiguration;
 class RunConfiguration;
 
-namespace Internal {
-
-class DoubleTabWidget;
-
-class PanelsWidget : public QScrollArea
+class PROJECTEXPLORER_EXPORT PanelsWidget : public QScrollArea
 {
     Q_OBJECT
 public:
@@ -69,6 +67,10 @@ private:
     QWidget *m_root;
 };
 
+namespace Internal {
+
+class DoubleTabWidget;
+
 class ProjectWindow : public QWidget
 {
     Q_OBJECT
diff --git a/src/plugins/projectexplorer/targetsettingspanel.h b/src/plugins/projectexplorer/targetsettingspanel.h
index c6f847985c8..28af5eee93e 100644
--- a/src/plugins/projectexplorer/targetsettingspanel.h
+++ b/src/plugins/projectexplorer/targetsettingspanel.h
@@ -43,11 +43,11 @@ namespace ProjectExplorer {
 class Target;
 class Project;
 class Kit;
+class PanelsWidget;
 
 namespace Internal {
 
 class TargetSettingsWidget;
-class PanelsWidget;
 
 class TargetSettingsPanelWidget : public QWidget
 {