diff --git a/win32/orbital.vcxproj b/win32/orbital.vcxproj
index 1a77c365..d365d042 100644
--- a/win32/orbital.vcxproj
+++ b/win32/orbital.vcxproj
@@ -31,6 +31,7 @@
     <ClInclude Include="..\orbital\mesh.h" />
     <ClInclude Include="..\orbital\orbital.h" />
     <ClInclude Include="..\orbital\particlesystem.h" />
+    <ClInclude Include="..\orbital\tank.h" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="..\orbital\orbital.cpp" />
diff --git a/win32/orbital.vcxproj.filters b/win32/orbital.vcxproj.filters
index 9cd35be6..c6ff27cd 100644
--- a/win32/orbital.vcxproj.filters
+++ b/win32/orbital.vcxproj.filters
@@ -3,6 +3,7 @@
   <ItemGroup>
     <ClInclude Include="..\orbital\mesh.h" />
     <ClInclude Include="..\orbital\CommandParser.h" />
+    <ClInclude Include="..\orbital\tank.h" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\orbital\orbital.h" />