diff --git a/src/frontends/qt/InsetParamsWidget.cpp b/src/frontends/qt/InsetParamsWidget.cpp
index 86012a7fa9..9f6d4eeb57 100644
--- a/src/frontends/qt/InsetParamsWidget.cpp
+++ b/src/frontends/qt/InsetParamsWidget.cpp
@@ -13,6 +13,7 @@
 
 #include "InsetParamsWidget.h"
 
+#include "insets/Inset.h"
 #include "qt_helpers.h"
 
 #include <QLineEdit>
@@ -42,9 +43,9 @@ bool CheckedWidget::check() const
 }
 
 
-
-InsetParamsWidget::InsetParamsWidget(QWidget * parent) : QWidget(parent)
+QString InsetParamsWidget::dialogTitle() const
 {
+	return toqstr(insetName(insetCode()));
 }
 
 
diff --git a/src/frontends/qt/InsetParamsWidget.h b/src/frontends/qt/InsetParamsWidget.h
index 63d9944a58..0811ca5e49 100644
--- a/src/frontends/qt/InsetParamsWidget.h
+++ b/src/frontends/qt/InsetParamsWidget.h
@@ -13,9 +13,6 @@
 #define INSET_PARAMS_WIDGET_H
 
 #include "insets/InsetCode.h"
-#include "insets/Inset.h"
-
-#include "qt_helpers.h"
 
 #include "FuncCode.h"
 
@@ -57,11 +54,11 @@ class InsetParamsWidget : public QWidget
 Q_SIGNALS:
 	void changed();
 public:
-	InsetParamsWidget(QWidget * parent);
+	InsetParamsWidget(QWidget * parent) : QWidget(parent) {}
 	/// This is a base class; destructor must exist and be virtual.
 	virtual ~InsetParamsWidget() {}
 	///
-	virtual QString dialogTitle() const { return toqstr(insetName(insetCode())); }
+	virtual QString dialogTitle() const;
 	///
 	virtual InsetCode insetCode() const = 0;
 	///