diff --git a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml
index 60a65188..0efc6468 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml
@@ -26,7 +26,7 @@
         <header:DefaultHeader x:Name="DefHeader" Grid.Row="0" HeaderName="{Binding Path=LocalizedResources.OpenHoursApp_Title, Source={StaticResource LocalizedStrings}}"/>
 
         <!-- Content -->
-        <ListBox x:Name="InstitutionPanel" Grid.Row="1">
+        <ListBox x:Name="InstitutionPanel" Grid.Row="1" SelectionMode="Single" SelectionChanged="InstitutionPanel_SelectionChanged">
             <ListBox.ItemContainerStyle>
                 <Style TargetType="ListBoxItem">
                     <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs
index 57561fe5..de355158 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Openinghours/OpeninghoursPage.xaml.cs
@@ -179,6 +179,16 @@ namespace CampusAppWP8.Pages.Openinghours
             MessageBoxResult result = MessageBoxes.ShowMainModelErrorMessageBox(AppResources.MsgBox_ErrorMainModelLoadFile);
         }
 
+        /// <summary>
+        /// Method will be execute if the selection is change in the listbox.
+        /// </summary>
+        /// <param name="sender">listbox object.</param>
+        /// <param name="e">event args.</param>
+        private void InstitutionPanel_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
+        {
+            this.InstitutionPanel.SelectedIndex = -1;
+        }
+
         // private
         #endregion
 
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml b/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml
index d2495c78..77c0fbf1 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml
+++ b/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml
@@ -64,7 +64,7 @@
                                     <TextBlock Text="{Binding FullName}" TextWrapping="Wrap"/>
                                 </lui:ToggleButton>
                                 <StackPanel Tag="{Binding Path=Constants.ToggleContent, Source={StaticResource Const}}" Visibility="Collapsed">
-                                    <ListBox ItemsSource="{Binding Functions}" ScrollViewer.VerticalScrollBarVisibility="Disabled">
+                                    <ListBox ItemsSource="{Binding Functions}" ScrollViewer.VerticalScrollBarVisibility="Disabled"  SelectionMode="Single" SelectionChanged="Box_SelectionChanged">
                                         <ListBox.ItemContainerStyle>
                                             <Style TargetType="ListBoxItem">
                                                 <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
diff --git a/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml.cs b/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml.cs
index 3f4837d3..520f1d88 100644
--- a/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml.cs
+++ b/CampusAppWP8/CampusAppWP8/Pages/Person/PersonPage.xaml.cs
@@ -19,6 +19,7 @@ namespace CampusAppWP8.Pages.Person
     using Microsoft.Phone.Controls;
     using Microsoft.Phone.Tasks;
     using System.Collections.Generic;
+    using System.Windows.Controls;
 
     /// <summary>Person page.</summary>
     /// <remarks>Stubbfel, 09.09.2013.</remarks>
@@ -152,7 +153,16 @@ namespace CampusAppWP8.Pages.Person
             }
         }
 
-        #endregion
+        /// <summary>
+        /// Method is called when the selection in the listbox is changed.
+        /// </summary>
+        /// <param name="sender">listbox object.</param>
+        /// <param name="e">event args.</param>
+        private void Box_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
+        {
+            (sender as ListBox).SelectedIndex = -1;
+        }
 
+        #endregion
     }
 }
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