diff --git a/MainForm.cs b/MainForm.cs
index 3c3a0c8..6c22fa1 100644
--- a/MainForm.cs
+++ b/MainForm.cs
@@ -187,6 +187,10 @@ private void SnapTop()
             IntPtr focussedWindow = Native.GetForegroundWindow();
             Screen windowScreen = Screen.FromHandle(focussedWindow);
 
+            // Windows gets confused if you move a maximised window, interestingly breaking the maximise button.
+            // To avoid any such issues we restore the window before moving it.
+            Native.ShowWindow(focussedWindow, Native.SW_RESTORE);
+
             // Get window x border.
             int windowBorderX = GetWindowXBorder(focussedWindow);
 
@@ -222,6 +226,10 @@ private void SnapBottom()
             IntPtr focussedWindow = Native.GetForegroundWindow();
             Screen windowScreen = Screen.FromHandle(focussedWindow);
 
+            // Windows gets confused if you move a maximised window, interestingly breaking the maximise button.
+            // To avoid any such issues we restore the window before moving it.
+            Native.ShowWindow(focussedWindow, Native.SW_RESTORE);
+
             // Get window x border.
             int windowBorderX = GetWindowXBorder(focussedWindow);
 
diff --git a/Native.cs b/Native.cs
index c0ca832..b3036fc 100644
--- a/Native.cs
+++ b/Native.cs
@@ -139,6 +139,9 @@ public override string ToString()
         public const uint SWP_ASYNCWINDOWPOS = 0x4000;
         public const uint SWP_NOCOPYBITS = 0x0100;
 
+        // Same for SW_* values as above.
+        public const int SW_RESTORE = 9;
+
         // Same for WM_* values as above.
         public const int WM_HOTKEY = 0x0312;
 
@@ -168,5 +171,9 @@ public override string ToString()
         [return: MarshalAs(UnmanagedType.Bool)]
         [DllImport("user32.dll")]
         public static extern bool ScreenToClient(IntPtr hWnd, ref POINT lpPoint);
+
+        [return: MarshalAs(UnmanagedType.Bool)]
+        [DllImport("user32.dll")]
+        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);
     }
 }
diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
index ea7b51d..99a5af5 100644
--- a/Properties/AssemblyInfo.cs
+++ b/Properties/AssemblyInfo.cs
@@ -11,7 +11,7 @@
 [assembly: AssemblyConfiguration("")]
 [assembly: AssemblyCompany("")]
 [assembly: AssemblyProduct("Snapper")]
-[assembly: AssemblyCopyright("Copyright © Jacob Allen 2020")]
+[assembly: AssemblyCopyright("Copyright © Jacob Allen 2020-2021")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
 
@@ -33,5 +33,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.3.*")]
+[assembly: AssemblyVersion("1.4.*")]
 [assembly: NeutralResourcesLanguage("en-GB")]