diff --git a/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj b/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj
index ff11a28..e2db67e 100644
--- a/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj
+++ b/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj
@@ -154,6 +154,7 @@
     <ClCompile Include="..\..\core\cart_hw\ggenie.c" />
     <ClCompile Include="..\..\core\cart_hw\md_cart.c" />
     <ClCompile Include="..\..\core\cart_hw\sms_cart.c" />
+    <ClCompile Include="..\..\core\cart_hw\megasd.c" />
     <ClCompile Include="..\..\core\cart_hw\sram.c" />
     <ClCompile Include="..\..\core\cart_hw\svp\ssp16.c" />
     <ClCompile Include="..\..\core\cart_hw\svp\svp.c" />
@@ -258,6 +259,7 @@
     <ClInclude Include="..\..\core\cart_hw\ggenie.h" />
     <ClInclude Include="..\..\core\cart_hw\md_cart.h" />
     <ClInclude Include="..\..\core\cart_hw\sms_cart.h" />
+    <ClInclude Include="..\..\core\cart_hw\megasd.h" />
     <ClInclude Include="..\..\core\cart_hw\sram.h" />
     <ClInclude Include="..\..\core\cart_hw\svp\ssp16.h" />
     <ClInclude Include="..\..\core\cart_hw\svp\svp.h" />
diff --git a/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj.filters b/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj.filters
index c1834dc..54cafff 100644
--- a/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj.filters
+++ b/libretro/libretro_msvc/genesis_plus_gx_libretro.vcxproj.filters
@@ -294,6 +294,9 @@
     <ClCompile Include="..\..\core\cart_hw\sms_cart.c">
       <Filter>core\cart_hw</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\core\cart_hw\megasd.c">
+      <Filter>core\cart_hw</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\core\cart_hw\sram.c">
       <Filter>core\cart_hw</Filter>
     </ClCompile>
@@ -668,6 +671,9 @@
     <ClInclude Include="..\..\core\cart_hw\sms_cart.h">
       <Filter>core\cart_hw</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\core\cart_hw\megasd.h">
+      <Filter>core\cart_hw</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\core\cart_hw\sram.h">
       <Filter>core\cart_hw</Filter>
     </ClInclude>
diff --git a/sdl/gx_vstudio/gx_vstudio.vcxproj b/sdl/gx_vstudio/gx_vstudio.vcxproj
index 8616eea..787536c 100644
--- a/sdl/gx_vstudio/gx_vstudio.vcxproj
+++ b/sdl/gx_vstudio/gx_vstudio.vcxproj
@@ -159,6 +159,7 @@
     <ClInclude Include="..\..\core\cart_hw\ggenie.h" />
     <ClInclude Include="..\..\core\cart_hw\md_cart.h" />
     <ClInclude Include="..\..\core\cart_hw\sms_cart.h" />
+    <ClInclude Include="..\..\core\cart_hw\megasd.h" />
     <ClInclude Include="..\..\core\cart_hw\sram.h" />
     <ClInclude Include="..\..\core\cart_hw\svp\ssp16.h" />
     <ClInclude Include="..\..\core\cart_hw\svp\svp.h" />
@@ -307,6 +308,7 @@
     <ClCompile Include="..\..\core\cart_hw\ggenie.c" />
     <ClCompile Include="..\..\core\cart_hw\md_cart.c" />
     <ClCompile Include="..\..\core\cart_hw\sms_cart.c" />
+    <ClCompile Include="..\..\core\cart_hw\megasd.c" />
     <ClCompile Include="..\..\core\cart_hw\sram.c" />
     <ClCompile Include="..\..\core\cart_hw\svp\ssp16.c" />
     <ClCompile Include="..\..\core\cart_hw\svp\svp.c" />
diff --git a/sdl/gx_vstudio/gx_vstudio.vcxproj.filters b/sdl/gx_vstudio/gx_vstudio.vcxproj.filters
index 78ba0e2..a9ec720 100644
--- a/sdl/gx_vstudio/gx_vstudio.vcxproj.filters
+++ b/sdl/gx_vstudio/gx_vstudio.vcxproj.filters
@@ -168,6 +168,9 @@
     <ClInclude Include="..\..\core\cart_hw\sms_cart.h">
       <Filter>includes\core\cart_hw</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\core\cart_hw\megasd.h">
+      <Filter>includes\core\cart_hw</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\core\cart_hw\sram.h">
       <Filter>includes\core\cart_hw</Filter>
     </ClInclude>
@@ -604,6 +607,9 @@
     <ClCompile Include="..\..\core\cart_hw\sms_cart.c">
       <Filter>src\core\cart_hw</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\core\cart_hw\megasd.c">
+      <Filter>src\core\cart_hw</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\core\cart_hw\sram.c">
       <Filter>src\core\cart_hw</Filter>
     </ClCompile>