diff --git a/samples/charts/category-chart/format-specifiers/src/app.component.html b/samples/charts/category-chart/format-specifiers/src/app.component.html
index 914d5ee45..47f4172f9 100644
--- a/samples/charts/category-chart/format-specifiers/src/app.component.html
+++ b/samples/charts/category-chart/format-specifiers/src/app.component.html
@@ -22,7 +22,7 @@
       dataToolTipValueFormatMode="Currency"
       dataToolTipValueFormatString="${0} Billion"
       yAxisLabelFormat="{0}B"
-      [yAxisLabelFormatSpecifiers]="numberFormatSpecifier1">
+      [yAxisLabelFormatSpecifiers]="NumberFormatSpecifier1">
       </igx-category-chart>
   </div>
 </div>
diff --git a/samples/charts/data-chart/format-specifiers/src/app.component.html b/samples/charts/data-chart/format-specifiers/src/app.component.html
index 8a048de82..a5e48b04f 100644
--- a/samples/charts/data-chart/format-specifiers/src/app.component.html
+++ b/samples/charts/data-chart/format-specifiers/src/app.component.html
@@ -32,7 +32,7 @@
           title="Billions of U.S. Dollars"
           labelFormat="{0}B"
           abbreviateLargeNumbers="false"
-          [labelFormatSpecifiers]="numberFormatSpecifier1">
+          [labelFormatSpecifiers]="NumberFormatSpecifier1">
           </igx-numeric-x-axis>
           <igx-bar-series
           name="BarSeries1"
diff --git a/samples/charts/financial-chart/format-specifiers/src/app.component.html b/samples/charts/financial-chart/format-specifiers/src/app.component.html
index e00ce34ae..6b6154b9a 100644
--- a/samples/charts/financial-chart/format-specifiers/src/app.component.html
+++ b/samples/charts/financial-chart/format-specifiers/src/app.component.html
@@ -24,9 +24,9 @@
       dataToolTipHeaderFormatTime="None"
       zoomSliderType="None"
       yAxisLabelFormat="{0}"
-      [yAxisLabelFormatSpecifiers]="numberFormatSpecifier1"
+      [yAxisLabelFormatSpecifiers]="NumberFormatSpecifier1"
       xAxisLabelFormat="{0}"
-      [xAxisLabelFormatSpecifiers]="dateTimeFormatSpecifier1">
+      [xAxisLabelFormatSpecifiers]="DateTimeFormatSpecifier1">
       </igx-financial-chart>
   </div>
 </div>