diff --git a/win/VC100/realmd.vcxproj b/win/VC100/realmd.vcxproj
index 0441180035e..39a9d072e6e 100644
--- a/win/VC100/realmd.vcxproj
+++ b/win/VC100/realmd.vcxproj
@@ -418,6 +418,7 @@
     <ClInclude Include="..\..\src\shared\WheatyExceptionReport.h" />
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\..\src\realmd\AuthCodes.cpp" />
     <ClCompile Include="..\..\src\realmd\AuthSocket.cpp" />
     <ClCompile Include="..\..\src\realmd\Main.cpp" />
     <ClCompile Include="..\..\src\realmd\RealmList.cpp" />
@@ -437,4 +438,4 @@
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/win/VC80/TrinityRealm.vcproj b/win/VC80/TrinityRealm.vcproj
index 7044bed8d1e..8a94d9d650c 100644
--- a/win/VC80/TrinityRealm.vcproj
+++ b/win/VC80/TrinityRealm.vcproj
@@ -617,6 +617,10 @@
 			RelativePath="..\..\src\trinityrealm\AuthCodes.h"
 			>
 		</File>
+		<File
+			RelativePath="..\..\src\trinityrealm\AuthCodes.cpp"
+			>
+		</File>
 		<File
 			RelativePath="..\..\src\trinityrealm\AuthSocket.cpp"
 			>
diff --git a/win/VC90/TrinityRealm.vcproj b/win/VC90/TrinityRealm.vcproj
index 9301f95c66c..67e0908f72b 100644
--- a/win/VC90/TrinityRealm.vcproj
+++ b/win/VC90/TrinityRealm.vcproj
@@ -617,6 +617,10 @@
 			RelativePath="..\..\src\trinityrealm\AuthCodes.h"
 			>
 		</File>
+		<File
+			RelativePath="..\..\src\trinityrealm\AuthCodes.cpp"
+			>
+		</File>
 		<File
 			RelativePath="..\..\src\trinityrealm\AuthSocket.cpp"
 			>