diff --git a/hash/vboy.xml b/hash/vboy.xml
index 08c6a3d21ed..eac202c66ca 100644
--- a/hash/vboy.xml
+++ b/hash/vboy.xml
@@ -453,7 +453,7 @@ According to Planet Virtual Boy, the following undumped protos exist
 			<dataarea name="rom" size="2097152" width="32" endianness="little">
 				<rom name="virtual boy wario land (japan, usa).bin" size="2097152" crc="133e9372" sha1="274c328fbd904f20e69172ab826bf8f94ced1bdb" offset="000000" />
 			</dataarea>
-			<dataarea name="sram" size="0x10000" width="16" endianness="little">
+			<dataarea name="sram" size="8192" width="8" endianness="little">
 			</dataarea>
 		</part>
 	</software>
diff --git a/src/devices/bus/vboy/rom.cpp b/src/devices/bus/vboy/rom.cpp
index 991206bd1c6..14fac38ca1f 100644
--- a/src/devices/bus/vboy/rom.cpp
+++ b/src/devices/bus/vboy/rom.cpp
@@ -132,6 +132,9 @@ image_init_result vboy_flat_rom_sram_device::load()
 							chip_space()->install_readwrite_handler(
 									begin,
 									end,
+									0,
+									mirror,
+									0,
 									read8sm_delegate(*this, NAME([base] (offs_t offset) { return base[offset]; })),
 									write8sm_delegate(*this, NAME([base] (offs_t offset, u8 data) { base[offset] = data; })),
 									0x00ff'00ff);
@@ -162,6 +165,9 @@ image_init_result vboy_flat_rom_sram_device::load()
 							chip_space()->install_readwrite_handler(
 									begin,
 									end,
+									0,
+									mirror,
+									0,
 									read16s_delegate(*this, NAME([base] (offs_t offset, u16 mem_mask) { return base[offset]; })),
 									write16s_delegate(*this, NAME([base] (offs_t offset, u16 data, u16 mem_mask) { COMBINE_DATA(base + offset); })),
 									0xffff'ffff);