diff --git a/src/floppy/fdc.c b/src/floppy/fdc.c
index cb4f34cf2..2abc4a8f5 100644
--- a/src/floppy/fdc.c
+++ b/src/floppy/fdc.c
@@ -135,6 +135,7 @@ static fdc_cards_t fdc_cards[] = {
     { &fdc_b215_device     },
     { &fdc_pii151b_device  },
     { &fdc_pii158b_device  },
+    { &fdc_monster_device  },
     { NULL                 }
     // clang-format on
 };
diff --git a/src/floppy/fdc_monster.c b/src/floppy/fdc_monster.c
index b98934f3e..2cd1d9b05 100644
--- a/src/floppy/fdc_monster.c
+++ b/src/floppy/fdc_monster.c
@@ -34,7 +34,7 @@
 #include <86box/fdc_ext.h>
 
 #define BIOS_ADDR (uint32_t)(device_get_config_hex20("bios_addr") & 0x000fffff)
-#define ROM_MONSTER_FDC "roms/floppy/monster-fdc/floppy_bios.rom"
+#define ROM_MONSTER_FDC "roms/floppy/monster-fdc/floppy_bios.bin"
 
 typedef struct
 {
diff --git a/src/include/86box/fdc_ext.h b/src/include/86box/fdc_ext.h
index 60d93efc6..2287978c1 100644
--- a/src/include/86box/fdc_ext.h
+++ b/src/include/86box/fdc_ext.h
@@ -31,6 +31,8 @@ extern const device_t fdc_b215_device;
 extern const device_t fdc_pii151b_device;
 extern const device_t fdc_pii158b_device;
 
+extern const device_t fdc_monster_device;
+
 extern void fdc_card_init(void);
 
 extern char           *fdc_card_get_internal_name(int card);