diff --git a/src/Calculator/Common/KeyboardShortcuManager.cs b/src/Calculator/Common/KeyboardShortcuManager.cs
index c21ac7f..e8cb3fc 100644
--- a/src/Calculator/Common/KeyboardShortcuManager.cs
+++ b/src/Calculator/Common/KeyboardShortcuManager.cs
@@ -166,7 +166,7 @@ public static void SetVirtualKey(DependencyObject target, MyVirtualKey value)
 
             public static readonly DependencyProperty VirtualKeyControlChordProperty =
                 DependencyProperty.RegisterAttached(
-                    "VirtualKey",
+                    "VirtualKeyControlChord",
                     typeof(MyVirtualKey),
                     typeof(KeyboardShortcutManager),
                     new PropertyMetadata(default(MyVirtualKey), (sender, args) =>
@@ -186,7 +186,7 @@ public static void SetVirtualKeyControlChord(DependencyObject target, MyVirtualK
 
             public static readonly DependencyProperty VirtualKeyShiftChordProperty =
                 DependencyProperty.RegisterAttached(
-                    "VirtualKey",
+                    "VirtualKeyShiftChord",
                     typeof(MyVirtualKey),
                     typeof(KeyboardShortcutManager),
                     new PropertyMetadata(default(MyVirtualKey), (sender, args) =>
@@ -206,7 +206,7 @@ public static void SetVirtualKeyShiftChord(DependencyObject target, MyVirtualKey
 
             public static readonly DependencyProperty VirtualKeyAltChordProperty =
                 DependencyProperty.RegisterAttached(
-                    "VirtualKey",
+                    "VirtualKeyAltChord",
                     typeof(MyVirtualKey),
                     typeof(KeyboardShortcutManager),
                     new PropertyMetadata(default(MyVirtualKey), (sender, args) =>
@@ -226,7 +226,7 @@ public static void SetVirtualKeyAltChord(DependencyObject target, MyVirtualKey v
 
             public static readonly DependencyProperty VirtualKeyControlShiftChordProperty =
                 DependencyProperty.RegisterAttached(
-                    "VirtualKey",
+                    "VirtualKeyControlShiftChord",
                     typeof(MyVirtualKey),
                     typeof(KeyboardShortcutManager),
                     new PropertyMetadata(default(MyVirtualKey), (sender, args) =>