diff --git a/Source/Core/Core/Config/MainSettings.cpp b/Source/Core/Core/Config/MainSettings.cpp
index 147aeedf50..2e1d41a151 100644
--- a/Source/Core/Core/Config/MainSettings.cpp
+++ b/Source/Core/Core/Config/MainSettings.cpp
@@ -398,11 +398,13 @@ void SetIsoPaths(const std::vector<std::string>& paths)
 
 #ifdef HAS_LIBMGBA
 const Info<std::string> MAIN_GBA_BIOS_PATH{{System::Main, "GBA", "BIOS"}, ""};
-const std::array<Info<std::string>, 4> MAIN_GBA_ROM_PATHS{
+const std::array<Info<std::string>, 5> MAIN_GBA_ROM_PATHS{
     Info<std::string>{{System::Main, "GBA", "Rom1"}, ""},
     Info<std::string>{{System::Main, "GBA", "Rom2"}, ""},
     Info<std::string>{{System::Main, "GBA", "Rom3"}, ""},
-    Info<std::string>{{System::Main, "GBA", "Rom4"}, ""}};
+    Info<std::string>{{System::Main, "GBA", "Rom4"}, ""},
+    Info<std::string>{{System::Main, "GBA", "GBPlayerRom"}, ""},
+};
 const Info<std::string> MAIN_GBA_SAVES_PATH{{System::Main, "GBA", "SavesPath"}, ""};
 const Info<bool> MAIN_GBA_SAVES_IN_ROM_PATH{{System::Main, "GBA", "SavesInRomPath"}, false};
 const Info<bool> MAIN_GBA_THREADS{{System::Main, "GBA", "Threads"}, true};
diff --git a/Source/Core/Core/Config/MainSettings.h b/Source/Core/Core/Config/MainSettings.h
index a1baf26242..45ca6e972b 100644
--- a/Source/Core/Core/Config/MainSettings.h
+++ b/Source/Core/Core/Config/MainSettings.h
@@ -224,10 +224,12 @@ void SetIsoPaths(const std::vector<std::string>& paths);
 
 #ifdef HAS_LIBMGBA
 extern const Info<std::string> MAIN_GBA_BIOS_PATH;
-extern const std::array<Info<std::string>, 4> MAIN_GBA_ROM_PATHS;
+extern const std::array<Info<std::string>, 5> MAIN_GBA_ROM_PATHS;
 extern const Info<std::string> MAIN_GBA_SAVES_PATH;
 extern const Info<bool> MAIN_GBA_SAVES_IN_ROM_PATH;
 extern const Info<bool> MAIN_GBA_THREADS;
+
+static constexpr std::size_t GBPLAYER_GBA_INDEX = 4;
 #endif
 
 // Main.Network