diff --git a/chartjs/chart-tests.ts b/chartjs/chart-tests.ts
index 4bd8820c6c..452ddbf623 100644
--- a/chartjs/chart-tests.ts
+++ b/chartjs/chart-tests.ts
@@ -325,7 +325,7 @@ var myDoughnutChart = new Chart(ctx).Doughnut(pieData, {
     animateRotate: true,
     animateScale: false,
     legendTemplate: "<ul class=\"<%=name.toLowerCase()%>-legend\"><% for (var i=0; i<segments.length; i++){%><li><span style=\"background-color:<%=segments[i].fillColor%>\"></span><%if(segments[i].label){%><%=segments[i].label%><%}%></li><%}%></ul>"
-}); 
+});
 
 var myDoughnutChartLegend: string = myDoughnutChart.generateLegend();
 var myDoughnutChartImage: string = myDoughnutChart.toBase64Image();
@@ -341,3 +341,32 @@ myDoughnutChart.resize();
 myDoughnutChart.update();
 myDoughnutChart.stop();
 myDoughnutChart.destroy();
+
+// Test using charts with overrides of a subset of global options
+var partialOpts: ChartSettings = {
+    showTooltips: true,
+    tooltipEvents: ["mousemove", "touchstart", "touchmove"],
+    tooltipFillColor: "rgba(0,0,0,0.8)",
+    tooltipFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
+    tooltipFontSize: 14,
+    tooltipFontStyle: "normal",
+    tooltipFontColor: "#fff",
+    tooltipTitleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
+    tooltipTitleFontSize: 14,
+    tooltipTitleFontStyle: "bold",
+    tooltipTitleFontColor: "#fff",
+    tooltipYPadding: 6,
+    tooltipXPadding: 6,
+    tooltipCaretSize: 8,
+    tooltipCornerRadius: 6,
+    tooltipXOffset: 10,
+    tooltipTemplate: "<%if (label){%><%=label%>: <%}%><%= value %>"
+};
+
+var my2ndLineChart = new Chart(ctx).Line(lineData, partialOpts);
+var my2ndBarChart = new Chart(ctx).Bar(barData, partialOpts);
+var my2ndRadarChart = new Chart(ctx).Radar(radarData, partialOpts);
+var my2ndPolarAreaChart = new Chart(ctx).PolarArea(polarAreaData, partialOpts);
+var my2ndPieChart = new Chart(ctx).Pie(pieData, partialOpts);
+var my2ndDoughnutChart = new Chart(ctx).Doughnut(pieData, partialOpts);
+
diff --git a/chartjs/chart.d.ts b/chartjs/chart.d.ts
index d337d144a6..62f393b8a1 100644
--- a/chartjs/chart.d.ts
+++ b/chartjs/chart.d.ts
@@ -33,49 +33,49 @@ interface CircularChartData {
 }
 
 interface ChartSettings {
-    animation: boolean;
-    animationSteps: number;
-    animationEasing: string;
-    showScale: boolean;
-    scaleOverride: boolean;
-    scaleSteps: number;
-    scaleStepWidth: number;
-    scaleStartValue: number;
-    scaleLineColor: string;
-    scaleLineWidth: number;
-    scaleShowLabels: boolean;
-    scaleLabel: string;
-    scaleIntegersOnly: boolean;
-    scaleBeginAtZero: boolean;
-    scaleFontFamily: string;
-    scaleFontSize: number;
-    scaleFontStyle: string;
-    scaleFontColor: string;
-    responsive: boolean;
-    maintainAspectRatio: boolean;
-    showTooltips: boolean;
-    tooltipEvents: string[];
-    tooltipFillColor: string;
-    tooltipFontFamily: string;
-    tooltipFontSize: number;
-    tooltipFontStyle: string;
-    tooltipFontColor: string;
-    tooltipTitleFontFamily: string;
-    tooltipTitleFontSize: number;
-    tooltipTitleFontStyle: string;
-    tooltipTitleFontColor: string;
-    tooltipYPadding: number;
-    tooltipXPadding: number;
-    tooltipCaretSize: number;
-    tooltipCornerRadius: number;
-    tooltipXOffset: number;
-    tooltipTemplate: string;
-    multiTooltipTemplate: string;
-    onAnimationProgress: () => any;
-    onAnimationComplete: () => any;
+    animation?: boolean;
+    animationSteps?: number;
+    animationEasing?: string;
+    showScale?: boolean;
+    scaleOverride?: boolean;
+    scaleSteps?: number;
+    scaleStepWidth?: number;
+    scaleStartValue?: number;
+    scaleLineColor?: string;
+    scaleLineWidth?: number;
+    scaleShowLabels?: boolean;
+    scaleLabel?: string;
+    scaleIntegersOnly?: boolean;
+    scaleBeginAtZero?: boolean;
+    scaleFontFamily?: string;
+    scaleFontSize?: number;
+    scaleFontStyle?: string;
+    scaleFontColor?: string;
+    responsive?: boolean;
+    maintainAspectRatio?: boolean;
+    showTooltips?: boolean;
+    tooltipEvents?: string[];
+    tooltipFillColor?: string;
+    tooltipFontFamily?: string;
+    tooltipFontSize?: number;
+    tooltipFontStyle?: string;
+    tooltipFontColor?: string;
+    tooltipTitleFontFamily?: string;
+    tooltipTitleFontSize?: number;
+    tooltipTitleFontStyle?: string;
+    tooltipTitleFontColor?: string;
+    tooltipYPadding?: number;
+    tooltipXPadding?: number;
+    tooltipCaretSize?: number;
+    tooltipCornerRadius?: number;
+    tooltipXOffset?: number;
+    tooltipTemplate?: string;
+    multiTooltipTemplate?: string;
+    onAnimationProgress?: () => any;
+    onAnimationComplete?: () => any;
 }
 
-interface ChartOptions {
+interface ChartOptions extends ChartSettings {
     scaleShowGridLines?: boolean;
     scaleGridLineColor?: string;
     scaleGridLineWidth?: number;
@@ -138,7 +138,7 @@ interface BarChartOptions extends ChartOptions {
     barDatasetSpacing?: number;
 }
 
-interface RadarChartOptions {
+interface RadarChartOptions extends ChartSettings {
     scaleShowLine?: boolean;
     angleShowLineOut?: boolean;
     scaleShowLabels?: boolean;
@@ -159,7 +159,7 @@ interface RadarChartOptions {
     legendTemplate?: string;
 }
 
-interface PolarAreaChartOptions {
+interface PolarAreaChartOptions extends ChartSettings {
     scaleShowLabelBackdrop?: boolean;
     scaleBackdropColor?: string;
     scaleBeginAtZero?: boolean;
@@ -176,7 +176,7 @@ interface PolarAreaChartOptions {
     legendTemplate?: string;
 }
 
-interface PieChartOptions {
+interface PieChartOptions extends ChartSettings {
     segmentShowStroke?: boolean;
     segmentStrokeColor?: string;
     segmentStrokeWidth?: number;