diff --git a/hw/application_fpga/fw/mta1_mkdf_mem.h b/hw/application_fpga/fw/mta1_mkdf_mem.h
index c9920cb..c40e4c9 100644
--- a/hw/application_fpga/fw/mta1_mkdf_mem.h
+++ b/hw/application_fpga/fw/mta1_mkdf_mem.h
@@ -30,6 +30,7 @@ enum {
     MTA1_MKDF_MMIO_UART_BASE        = MTA1_MKDF_MMIO_BASE | 0x03000000,
     MTA1_MKDF_MMIO_TOUCH_BASE       = MTA1_MKDF_MMIO_BASE | 0x04000000,
     MTA1_MKDF_MMIO_FW_RAM_BASE      = MTA1_MKDF_MMIO_BASE | 0x10000000,
+    MTA1_MKDF_MMIO_FW_RAM_SIZE      = 1024,
     // This "core" only exists in QEMU
     MTA1_MKDF_MMIO_QEMU_BASE        = MTA1_MKDF_MMIO_BASE | 0x3e000000,
     MTA1_MKDF_MMIO_MTA1_BASE        = MTA1_MKDF_MMIO_BASE | 0x3f000000, // 0xff000000