diff --git a/src/Wt/Chart/WCartesianChart.C b/src/Wt/Chart/WCartesianChart.C
index fc3553f6d6..ca99259478 100644
--- a/src/Wt/Chart/WCartesianChart.C
+++ b/src/Wt/Chart/WCartesianChart.C
@@ -1395,6 +1395,7 @@ WCartesianChart::WCartesianChart()
     onDemandLoadingEnabled_(false),
     loadingBackground_(StandardColor::LightGray),
     cObjCreated_(false),
+    hasAjax_(false),
     jsSeriesSelected_(this, "seriesSelected"),
     loadTooltip_(this, "loadTooltip")
 {
@@ -1425,6 +1426,7 @@ WCartesianChart::WCartesianChart(ChartType type)
     onDemandLoadingEnabled_(false),
     loadingBackground_(StandardColor::LightGray),
     cObjCreated_(false),
+    hasAjax_(false),
     jsSeriesSelected_(this, "seriesSelected"),
     loadTooltip_(this, "loadTooltip")
 {
@@ -1442,6 +1444,33 @@ WCartesianChart::~WCartesianChart()
   }
 }
 
+void WCartesianChart::enableAjax()
+{
+  WAbstractChart::enableAjax();
+  if (!hasAjax_) {
+    enableEventHandlers();
+  }
+  hasAjax_ = true;
+}
+
+// Needs ajax enabled
+void WCartesianChart::enableEventHandlers()
+{
+  mouseWentDown().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseDown(o, e);}}");
+  mouseWentUp().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseUp(o, e);}}");
+  mouseDragged().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseDrag(o, e);}}");
+  mouseMoved().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseMove(o, e);}}");
+  mouseWheel().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseWheel(o, e);}}");
+  mouseWentOut().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseOut(o, e);}}");
+  touchStarted().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.touchStart(o, e);}}");
+  touchEnded().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.touchEnd(o, e);}}");
+  touchMoved().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.touchMoved(o, e);}}");
+  clicked().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.clicked(o, e);}}");
+  jsSeriesSelected_.connect(this, &WCartesianChart::jsSeriesSelected);
+  loadTooltip_.connect(this, &WCartesianChart::loadTooltip);
+  voidEventSignal("dragstart", true)->preventDefaultAction(true);
+}
+
 void WCartesianChart::init()
 {
   setPalette(std::make_shared<WStandardPalette>(PaletteFlavour::Muted));
@@ -1475,20 +1504,9 @@ void WCartesianChart::init()
     yAxes_[i].transformChanged.reset(new JSignal<>(this, "yTransformChanged" + std::to_string(i)));
   }
 
-  if (WApplication::instance() && WApplication::instance()->environment().ajax()) {
-    mouseWentDown().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseDown(o, e);}}");
-    mouseWentUp().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseUp(o, e);}}");
-    mouseDragged().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseDrag(o, e);}}");
-    mouseMoved().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseMove(o, e);}}");
-    mouseWheel().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseWheel(o, e);}}");
-    mouseWentOut().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.mouseOut(o, e);}}");
-    touchStarted().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.touchStart(o, e);}}");
-    touchEnded().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.touchEnd(o, e);}}");
-    touchMoved().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.touchMoved(o, e);}}");
-    clicked().connect("function(o, e){var o=" + this->cObjJsRef() + ";if(o){o.clicked(o, e);}}");
-    jsSeriesSelected_.connect(this, &WCartesianChart::jsSeriesSelected);
-    loadTooltip_.connect(this, &WCartesianChart::loadTooltip);
-    voidEventSignal("dragstart", true)->preventDefaultAction(true);
+  hasAjax_ = WApplication::instance() && WApplication::instance()->environment().ajax();
+  if (hasAjax_) {
+    enableEventHandlers();
   }
 
   wheelActions_[KeyboardModifier::None] = InteractiveAction::PanMatching;
diff --git a/src/Wt/Chart/WCartesianChart.h b/src/Wt/Chart/WCartesianChart.h
index c4c7036522..7fad2fbeac 100644
--- a/src/Wt/Chart/WCartesianChart.h
+++ b/src/Wt/Chart/WCartesianChart.h
@@ -1726,6 +1726,7 @@ class WT_API WCartesianChart : public WAbstractChart
   bool onDemandLoadingEnabled_;
   WBrush loadingBackground_;
   bool cObjCreated_;
+  bool hasAjax_;
 
   Signal<const WDataSeries *, WPointF> seriesSelected_;
   JSignal<double, double> jsSeriesSelected_;
@@ -1764,6 +1765,8 @@ class WT_API WCartesianChart : public WAbstractChart
   mutable std::vector<BarTooltip> barTooltips_;
 
   void init();
+  void enableEventHandlers();
+  virtual void enableAjax() override;
   static std::string wheelActionsToJson(WheelActions wheelActions);
 
   static WColor lightenColor(const WColor &in);