1 files changed, 3 insertions, 3 deletions
diff --git a/chart2/source/controller/sidebar/ChartAxisPanel.cxx b/chart2/source/controller/sidebar/ChartAxisPanel.cxx
index bb7236097524..58fa4bbee981 100644
--- a/chart2/source/controller/sidebar/ChartAxisPanel.cxx
+++ b/chart2/source/controller/sidebar/ChartAxisPanel.cxx
@@ -297,10 +297,10 @@ VclPtr<vcl::Window> ChartAxisPanel::Create (
     const css::uno::Reference<css::frame::XFrame>& rxFrame,
     ChartController* pController)
 {
-    if (pParent == NULL)
-        throw lang::IllegalArgumentException("no parent Window given to ChartAxisPanel::Create", NULL, 0);
+    if (pParent == nullptr)
+        throw lang::IllegalArgumentException("no parent Window given to ChartAxisPanel::Create", nullptr, 0);
     if ( ! rxFrame.is())
-        throw lang::IllegalArgumentException("no XFrame given to ChartAxisPanel::Create", NULL, 1);
+        throw lang::IllegalArgumentException("no XFrame given to ChartAxisPanel::Create", nullptr, 1);
 
     return  VclPtr<ChartAxisPanel>::Create(
                         pParent, rxFrame, pController);