diff --git a/src/windows/Stella.vcxproj b/src/windows/Stella.vcxproj
index 3b49d5193..8d81caef5 100644
--- a/src/windows/Stella.vcxproj
+++ b/src/windows/Stella.vcxproj
@@ -237,6 +237,7 @@
     <ClCompile Include="..\debugger\gui\BoosterWidget.cxx" />
     <ClCompile Include="..\debugger\gui\Cart0840Widget.cxx" />
     <ClCompile Include="..\debugger\gui\Cart2KWidget.cxx" />
+    <ClCompile Include="..\debugger\gui\Cart3EPlusWidget.cxx" />
     <ClCompile Include="..\debugger\gui\Cart3EWidget.cxx" />
     <ClCompile Include="..\debugger\gui\Cart3FWidget.cxx" />
     <ClCompile Include="..\debugger\gui\Cart4A50Widget.cxx" />
@@ -283,6 +284,7 @@
     <ClCompile Include="..\debugger\gui\RiotRamWidget.cxx" />
     <ClCompile Include="..\debugger\gui\RomListSettings.cxx" />
     <ClCompile Include="..\debugger\gui\SaveKeyWidget.cxx" />
+    <ClCompile Include="..\emucore\Cart3EPlus.cxx" />
     <ClCompile Include="..\emucore\Cart4KSC.cxx" />
     <ClCompile Include="..\emucore\CartBF.cxx" />
     <ClCompile Include="..\emucore\CartBFSC.cxx" />
@@ -492,6 +494,7 @@
     <ClInclude Include="..\debugger\gui\BoosterWidget.hxx" />
     <ClInclude Include="..\debugger\gui\Cart0840Widget.hxx" />
     <ClInclude Include="..\debugger\gui\Cart2KWidget.hxx" />
+    <ClInclude Include="..\debugger\gui\Cart3EPlusWidget.hxx" />
     <ClInclude Include="..\debugger\gui\Cart3EWidget.hxx" />
     <ClInclude Include="..\debugger\gui\Cart3FWidget.hxx" />
     <ClInclude Include="..\debugger\gui\Cart4A50Widget.hxx" />
@@ -541,6 +544,7 @@
     <ClInclude Include="..\debugger\gui\RiotRamWidget.hxx" />
     <ClInclude Include="..\debugger\gui\RomListSettings.hxx" />
     <ClInclude Include="..\debugger\gui\SaveKeyWidget.hxx" />
+    <ClInclude Include="..\emucore\Cart3EPlus.hxx" />
     <ClInclude Include="..\emucore\Cart4KSC.hxx" />
     <ClInclude Include="..\emucore\CartBF.hxx" />
     <ClInclude Include="..\emucore\CartBFSC.hxx" />
diff --git a/src/windows/Stella.vcxproj.filters b/src/windows/Stella.vcxproj.filters
index 5bd5a4747..1bde600d3 100644
--- a/src/windows/Stella.vcxproj.filters
+++ b/src/windows/Stella.vcxproj.filters
@@ -786,6 +786,12 @@
     <ClCompile Include="..\debugger\gui\CartCVPlusWidget.cxx">
       <Filter>Source Files\debugger</Filter>
     </ClCompile>
+    <ClCompile Include="..\debugger\gui\Cart3EPlusWidget.cxx">
+      <Filter>Source Files\debugger</Filter>
+    </ClCompile>
+    <ClCompile Include="..\emucore\Cart3EPlus.cxx">
+      <Filter>Source Files\emucore</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\common\bspf.hxx">
@@ -1592,6 +1598,12 @@
     <ClInclude Include="..\emucore\CartCVPlus.hxx">
       <Filter>Header Files\emucore</Filter>
     </ClInclude>
+    <ClInclude Include="..\debugger\gui\Cart3EPlusWidget.hxx">
+      <Filter>Header Files\debugger</Filter>
+    </ClInclude>
+    <ClInclude Include="..\emucore\Cart3EPlus.hxx">
+      <Filter>Header Files\emucore</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="stella.ico">