diff --git a/wintun.proj b/wintun.proj
index d5674e2..cc66152 100644
--- a/wintun.proj
+++ b/wintun.proj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <!--
   SPDX-License-Identifier: GPL-2.0
 
@@ -28,19 +28,22 @@
     Driver Building
     Note: Use explicit Inputs/Outputs as WindowsDriver.Common.targets triggers driver re-packaging and signing on every invocation.
   -->
+  <PropertyGroup>
+    <DriverInputs>atomic.h;undocumented.h;wintun.c;wintun.inf;wintun.props;wintun.rc;wintun.vcxproj;$(DriverInputs)</DriverInputs>
+  </PropertyGroup>
   <Target Name="Driver-x86"
     Outputs="x86\Release\wintun\wintun.sys;x86\Release\wintun\wintun.inf;x86\Release\wintun\wintun.cat"
-    Inputs="atomic.h;undocumented.h;wintun.c;wintun.inf;wintun.props;wintun.rc;wintun.vcxproj">
+    Inputs="$(DriverInputs)">
     <MSBuild Projects="wintun.vcxproj" Targets="Build" Properties="Configuration=Release;Platform=Win32"/>
   </Target>
   <Target Name="Driver-amd64"
     Outputs="amd64\Release\wintun\wintun.sys;amd64\Release\wintun\wintun.inf;amd64\Release\wintun\wintun.cat"
-    Inputs="atomic.h;undocumented.h;wintun.c;wintun.inf;wintun.props;wintun.rc;wintun.vcxproj">
+    Inputs="$(DriverInputs)">
     <MSBuild Projects="wintun.vcxproj" Targets="Build" Properties="Configuration=Release;Platform=x64"/>
   </Target>
   <Target Name="Driver-arm64"
     Outputs="arm64\Release\wintun\wintun.sys;arm64\Release\wintun\wintun.inf;arm64\Release\wintun\wintun.cat"
-    Inputs="atomic.h;undocumented.h;wintun.c;wintun.inf;wintun.props;wintun.rc;wintun.vcxproj">
+    Inputs="$(DriverInputs)">
     <MSBuild Projects="wintun.vcxproj" Targets="Build" Properties="Configuration=Release;Platform=ARM64"/>
   </Target>