diff --git a/src/rcheevos/consoleinfo.c b/src/rcheevos/consoleinfo.c
index cabf307a..58c2c501 100644
--- a/src/rcheevos/consoleinfo.c
+++ b/src/rcheevos/consoleinfo.c
@@ -475,7 +475,7 @@ static const rc_memory_region_t _rc_memory_regions_game_gear[] = {
      */
     { 0x002000U, 0x009FFFU, 0x010000U, RC_MEMORY_TYPE_SAVE_RAM, "Cartridge RAM" }
 };
-static const rc_memory_regions_t rc_memory_regions_game_gear = { _rc_memory_regions_game_gear, 1 };
+static const rc_memory_regions_t rc_memory_regions_game_gear = { _rc_memory_regions_game_gear, 2 };
 
 /* ===== Intellivision ===== */
 /* http://wiki.intellivision.us/index.php/Memory_Map */
@@ -551,7 +551,7 @@ static const rc_memory_region_t _rc_memory_regions_master_system[] = {
      */
     { 0x002000U, 0x009FFFU, 0x010000U, RC_MEMORY_TYPE_SAVE_RAM, "Cartridge RAM" }
 };
-static const rc_memory_regions_t rc_memory_regions_master_system = { _rc_memory_regions_master_system, 1 };
+static const rc_memory_regions_t rc_memory_regions_master_system = { _rc_memory_regions_master_system, 2 };
 
 /* ===== MegaDrive (Genesis) ===== */
 /* https://www.smspower.org/Development/MemoryMap */
diff --git a/test/rcheevos/test_consoleinfo.c b/test/rcheevos/test_consoleinfo.c
index 0ff928df..c465d748 100644
--- a/test/rcheevos/test_consoleinfo.c
+++ b/test/rcheevos/test_consoleinfo.c
@@ -148,11 +148,11 @@ void test_consoleinfo(void) {
   TEST_PARAMS2(test_memory, RC_CONSOLE_GAMEBOY_COLOR, 0x016000);
   TEST_PARAMS2(test_memory, RC_CONSOLE_GAMEBOY_ADVANCE, 0x058000);
   TEST_PARAMS2(test_memory, RC_CONSOLE_GAMECUBE, 0x01800000);
-  TEST_PARAMS2(test_memory, RC_CONSOLE_GAME_GEAR, 0x002000);
+  TEST_PARAMS2(test_memory, RC_CONSOLE_GAME_GEAR, 0x00A000);
   TEST_PARAMS2(test_memory, RC_CONSOLE_INTELLIVISION, 0x040080);
   TEST_PARAMS2(test_memory, RC_CONSOLE_INTERTON_VC_4000, 0x000600);
   TEST_PARAMS2(test_memory, RC_CONSOLE_MAGNAVOX_ODYSSEY2, 0x000140);
-  TEST_PARAMS2(test_memory, RC_CONSOLE_MASTER_SYSTEM, 0x002000);
+  TEST_PARAMS2(test_memory, RC_CONSOLE_MASTER_SYSTEM, 0x00A000);
   TEST_PARAMS2(test_memory, RC_CONSOLE_MEGA_DRIVE, 0x020000);
   TEST_PARAMS2(test_memory, RC_CONSOLE_MEGADUCK, 0x010000);
   TEST_PARAMS2(test_memory, RC_CONSOLE_MSX, 0x080000);