diff --git a/src/Clowd.Drawing/DrawingCanvas.cs b/src/Clowd.Drawing/DrawingCanvas.cs
index 124cced2..eb9d4a76 100644
--- a/src/Clowd.Drawing/DrawingCanvas.cs
+++ b/src/Clowd.Drawing/DrawingCanvas.cs
@@ -686,6 +686,7 @@ private void DrawingCanvas_SourceUpdated(object sender, DataTransferEventArgs e)
 
         void DrawingCanvas_MouseDown(object sender, MouseButtonEventArgs e)
         {
+            this.Focus();
             if (e.ChangedButton == MouseButton.Left)
             {
                 if (e.ClickCount == 2)