diff --git a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
index 201e3b8e..d89909b1 100644
--- a/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
+++ b/src/Net_40/HandyControl_Net_40/Themes/Theme.xaml
@@ -2366,7 +2366,7 @@
 	<Style x:Key="ProgressBarBaseStyle" TargetType="ProgressBar">
 		<Setter Property="hc:VisualElement.Text">
 			<Setter.Value>
-				<MultiBinding Converter="{StaticResource Number2PercentageConverter}" StringFormat="{}{0} %">
+				<MultiBinding Converter="{StaticResource Number2PercentageConverter}" StringFormat="{}{0:F0} %">
 					<Binding Path="Value" RelativeSource="{RelativeSource Self}" />
 					<Binding Path="Maximum" RelativeSource="{RelativeSource Self}" />
 				</MultiBinding>
diff --git a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ProgressBarBaseStyle.xaml b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ProgressBarBaseStyle.xaml
index faff3c07..dbf5caab 100644
--- a/src/Shared/HandyControl_Shared/Themes/Styles/Base/ProgressBarBaseStyle.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Styles/Base/ProgressBarBaseStyle.xaml
@@ -21,7 +21,7 @@
     <Style x:Key="ProgressBarBaseStyle" TargetType="ProgressBar">
         <Setter Property="hc:VisualElement.Text">
             <Setter.Value>
-                <MultiBinding Converter="{StaticResource Number2PercentageConverter}" StringFormat="{}{0} %">
+                <MultiBinding Converter="{StaticResource Number2PercentageConverter}" StringFormat="{}{0:F0} %">
                     <Binding Path="Value" RelativeSource="{RelativeSource Self}"/>
                     <Binding Path="Maximum" RelativeSource="{RelativeSource Self}"/>
                 </MultiBinding>
@@ -260,4 +260,4 @@
         </Setter>
     </Style>
 
-</ResourceDictionary>
\ No newline at end of file
+</ResourceDictionary>
diff --git a/src/Shared/HandyControl_Shared/Themes/Theme.xaml b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
index ddb36808..444ddb2a 100644
--- a/src/Shared/HandyControl_Shared/Themes/Theme.xaml
+++ b/src/Shared/HandyControl_Shared/Themes/Theme.xaml
@@ -2366,7 +2366,7 @@
 	<Style x:Key="ProgressBarBaseStyle" TargetType="ProgressBar">
 		<Setter Property="hc:VisualElement.Text">
 			<Setter.Value>
-				<MultiBinding Converter="{StaticResource Number2PercentageConverter}" StringFormat="{}{0} %">
+				<MultiBinding Converter="{StaticResource Number2PercentageConverter}" StringFormat="{}{0:F0} %">
 					<Binding Path="Value" RelativeSource="{RelativeSource Self}" />
 					<Binding Path="Maximum" RelativeSource="{RelativeSource Self}" />
 				</MultiBinding>