diff --git a/src/core/mappers/mapper_MMC5.c b/src/core/mappers/mapper_MMC5.c
index 69d45f83b..0f769416c 100644
--- a/src/core/mappers/mapper_MMC5.c
+++ b/src/core/mappers/mapper_MMC5.c
@@ -227,7 +227,6 @@ void map_init_MMC5(void) {
 			prg_ram_mode = PRG_RAM_8K;
 			break;
 		case ELROM:
-		default:
 			info.prg.ram.banks_8k_plus = FALSE;
 			info.prg.ram.bat.banks = FALSE;
 			prg_ram_mode = PRG_RAM_NONE;
@@ -243,6 +242,11 @@ void map_init_MMC5(void) {
 			info.prg.ram.bat.banks = 4;
 			prg_ram_mode = PRG_RAM_32K;
 			break;
+		default:
+			info.prg.ram.banks_8k_plus = 8;
+			info.prg.ram.bat.banks = FALSE;
+			prg_ram_mode = PRG_RAM_64K;
+			break;
 	}
 }
 void map_init_NSF_MMC5(void) {