diff --git a/src/frontends/qt4/GuiInfo.cpp b/src/frontends/qt4/GuiInfo.cpp
index dcc5ee9855..8994b9431e 100644
--- a/src/frontends/qt4/GuiInfo.cpp
+++ b/src/frontends/qt4/GuiInfo.cpp
@@ -90,6 +90,16 @@ docstring GuiInfo::dialogToParams() const
 }
 
 
+bool GuiInfo::checkWidgets(bool readonly) const
+{
+	nameLE->setReadOnly(readonly);
+	typeCO->setEnabled(!readonly);
+	if (!InsetParamsWidget::checkWidgets())
+		return false;
+	return !nameLE->text().isEmpty();
+}
+
+
 } // namespace frontend
 } // namespace lyx
 
diff --git a/src/frontends/qt4/GuiInfo.h b/src/frontends/qt4/GuiInfo.h
index 8911172c0a..4d3e296531 100644
--- a/src/frontends/qt4/GuiInfo.h
+++ b/src/frontends/qt4/GuiInfo.h
@@ -35,6 +35,7 @@ private:
 	FuncCode creationCode() const { return LFUN_INFO_INSERT; }
 	void paramsToDialog(Inset const *);
 	docstring dialogToParams() const;
+	bool checkWidgets(bool readonly = false) const;
 	//@}
 };