diff --git a/src/Caliburn.Micro.Platform/ActionMessage.cs b/src/Caliburn.Micro.Platform/ActionMessage.cs
index 86b096a6..c3fab05f 100644
--- a/src/Caliburn.Micro.Platform/ActionMessage.cs
+++ b/src/Caliburn.Micro.Platform/ActionMessage.cs
@@ -315,7 +315,7 @@ void ElementLoaded(object sender, RoutedEventArgs e)
                 Source = currentElement
             };
 #else
-            const string bindingText = "<Binding xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation\' xmlns:cal='clr-namespace:Caliburn.Micro;assembly=Caliburn.Micro.Platform' Path='(cal:Message.Handler)' />";
+            const string bindingText = $"<Binding xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation\' xmlns:cal='clr-namespace:Caliburn.Micro;assembly={Assembly.GetExecutingAssembly().GetName().Name}' Path='(cal:Message.Handler)' />";
 
             var binding = (Binding)XamlReader.Load(bindingText);
             binding.Source = currentElement;
diff --git a/src/Caliburn.Micro.Platform/ConventionManager.cs b/src/Caliburn.Micro.Platform/ConventionManager.cs
index cbe0821c..a7f84c38 100644
--- a/src/Caliburn.Micro.Platform/ConventionManager.cs
+++ b/src/Caliburn.Micro.Platform/ConventionManager.cs
@@ -85,7 +85,7 @@ public static class ConventionManager
                         "</DataTemplate>"
 #else
              "<DataTemplate xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' " +
-                           "xmlns:cal='clr-namespace:Caliburn.Micro;assembly=Caliburn.Micro.Platform'> " +
+                $"xmlns:cal='clr-namespace:Caliburn.Micro;assembly={Assembly.GetExecutingAssembly().GetName().Name}'> " +
                 "<ContentControl cal:View.Model=\"{Binding}\" VerticalContentAlignment=\"Stretch\" HorizontalContentAlignment=\"Stretch\" IsTabStop=\"False\" />" +
             "</DataTemplate>"
 #endif