diff --git a/src/os/libretro/Makefile.common b/src/os/libretro/Makefile.common
index 6975fdc19..453f3cf3f 100644
--- a/src/os/libretro/Makefile.common
+++ b/src/os/libretro/Makefile.common
@@ -81,6 +81,7 @@ SOURCES_CXX := \
 	$(CORE_DIR)/emucore/CartFA.cxx \
 	$(CORE_DIR)/emucore/CartFC.cxx \
 	$(CORE_DIR)/emucore/CartFE.cxx \
+	$(CORE_DIR)/emucore/CartGL.cxx \
 	$(CORE_DIR)/emucore/CartMDM.cxx \
 	$(CORE_DIR)/emucore/CartMVC.cxx \
 	$(CORE_DIR)/emucore/CartSB.cxx \
diff --git a/src/os/libretro/Stella.vcxproj b/src/os/libretro/Stella.vcxproj
index a1aa24fd6..ee90e9f86 100644
--- a/src/os/libretro/Stella.vcxproj
+++ b/src/os/libretro/Stella.vcxproj
@@ -243,6 +243,7 @@
     <ClCompile Include="..\..\emucore\CartF8SC.cxx" />
     <ClCompile Include="..\..\emucore\CartFA.cxx" />
     <ClCompile Include="..\..\emucore\CartFE.cxx" />
+    <ClCompile Include="..\..\emucore\CartGL.cxx" />
     <ClCompile Include="..\..\emucore\CartSB.cxx" />
     <ClCompile Include="..\..\emucore\CartUA.cxx" />
     <ClCompile Include="..\..\emucore\CartX07.cxx" />