diff --git a/GpCommon/GpApplicationName.h b/GpCommon/GpApplicationName.h
new file mode 100644
index 0000000..c5c08b1
--- /dev/null
+++ b/GpCommon/GpApplicationName.h
@@ -0,0 +1,4 @@
+#pragma once
+
+#define GP_APPLICATION_NAME		"Aerofoil"
+#define GP_APPLICATION_NAME_W	L"Aerofoil"
diff --git a/GpD3D/GpD3D.rc b/GpD3D/GpD3D.rc
index 3adbcb0..a7a746a 100644
Binary files a/GpD3D/GpD3D.rc and b/GpD3D/GpD3D.rc differ
diff --git a/GpD3D/GpD3D.vcxproj b/GpD3D/GpD3D.vcxproj
index ef61767..a900af2 100644
--- a/GpD3D/GpD3D.vcxproj
+++ b/GpD3D/GpD3D.vcxproj
@@ -169,6 +169,7 @@
   <ItemGroup>
     <ClInclude Include="..\GpCommon\EGpInputDriverType.h" />
     <ClInclude Include="..\GpCommon\EGpStandardCursor.h" />
+    <ClInclude Include="..\GpCommon\GpApplicationName.h" />
     <ClInclude Include="..\GpCommon\GpDisplayDriverTickStatus.h" />
     <ClInclude Include="..\GpCommon\GpFileCreationDisposition.h" />
     <ClInclude Include="..\GpCommon\GpInputDriverProperties.h" />
diff --git a/GpD3D/GpD3D.vcxproj.filters b/GpD3D/GpD3D.vcxproj.filters
index 0196bae..019f16b 100644
--- a/GpD3D/GpD3D.vcxproj.filters
+++ b/GpD3D/GpD3D.vcxproj.filters
@@ -197,6 +197,9 @@
     <ClInclude Include="..\GpCommon\GpFileCreationDisposition.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="..\GpCommon\GpApplicationName.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="GpD3D.rc">
diff --git a/GpD3D/GpFileSystem_Win32.cpp b/GpD3D/GpFileSystem_Win32.cpp
index 9201eaa..a75c8f4 100644
--- a/GpD3D/GpFileSystem_Win32.cpp
+++ b/GpD3D/GpFileSystem_Win32.cpp
@@ -1,4 +1,6 @@
 #include "GpFileSystem_Win32.h"
+
+#include "GpApplicationName.h"
 #include "GpFileStream_Win32.h"
 #include "GpWindows.h"
 #include "GpMemoryBuffer.h"
@@ -295,7 +297,7 @@ bool GpFileSystem_Win32::PromptSaveFile(PortabilityLayer::VirtualDirectory_t vir
 	memset(&ofn, 0, sizeof(ofn));
 
 	ofn.lStructSize = sizeof(ofn);
-	ofn.lpstrFilter = L"GlidePort File (*.gpf)\0*.gpf\0";
+	ofn.lpstrFilter = GP_APPLICATION_NAME_W L" File (*.gpf)\0*.gpf\0";
 	ofn.lpstrFile = baseFN;
 	ofn.lpstrDefExt = L"gpf";
 	ofn.nMaxFile = MAX_PATH;
diff --git a/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.cpp b/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.cpp
index 0032798..2eab320 100644
--- a/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.cpp
+++ b/GpDisplayDriver_D3D11/GpDisplayDriverD3D11.cpp
@@ -1,4 +1,5 @@
 #define _CRT_SECURE_NO_WARNINGS
+#include "GpApplicationName.h"
 #include "GpDisplayDriverD3D11.h"
 #include "GpDisplayDriverSurfaceD3D11.h"
 #include "GpWindows.h"
@@ -546,7 +547,7 @@ void GpDisplayDriverD3D11::Run()
 	RECT wr = { 0, 0, m_windowWidth, m_windowHeight };
 	AdjustWindowRect(&wr, windowStyle, menus != NULL);
 
-	m_hwnd = CreateWindowExW(NULL, L"GPD3D11WindowClass", L"GlidePort (Direct3D 11)", WS_OVERLAPPEDWINDOW, 300, 300, wr.right - wr.left, wr.bottom - wr.top, NULL, menus, m_osGlobals->m_hInstance, NULL);
+	m_hwnd = CreateWindowExW(NULL, L"GPD3D11WindowClass", GP_APPLICATION_NAME_W L" (Direct3D 11)", WS_OVERLAPPEDWINDOW, 300, 300, wr.right - wr.left, wr.bottom - wr.top, NULL, menus, m_osGlobals->m_hInstance, NULL);
 
 	ShowWindow(m_hwnd, m_osGlobals->m_nCmdShow);