diff --git a/rom/DiagROM.v61 b/rom/DiagROM.v61
deleted file mode 100644
index 3979bbe..0000000
Binary files a/rom/DiagROM.v61 and /dev/null differ
diff --git a/rom/DiagROMv.171 b/rom/DiagROMv.171
new file mode 100644
index 0000000..6dd3a05
Binary files /dev/null and b/rom/DiagROMv.171 differ
diff --git a/rom/Makefile b/rom/Makefile
index 9c73f14..bd78679 100644
--- a/rom/Makefile
+++ b/rom/Makefile
@@ -17,14 +17,14 @@ bank13=negluk.rom             # 0x34000
 bank14=S128_ZX80_ROM.bin      # 0x38000
 bank15=S128_ZX81_ED3_ROM.bin  # 0x3C000
 # A18 (JP2)
-bank16=DiagROM.v61            # 0x40000
-bank17=DiagROM.v61            # 0x44000
-bank18=DiagROM.v61            # 0x48000
-bank19=DiagROM.v61            # 0x4C000
-bank20=DiagROM.v61            # 0x50000
-bank21=DiagROM.v61            # 0x54000
-bank22=DiagROM.v61            # 0x58000
-bank23=DiagROM.v61            # 0x5C000
+bank16=DiagROMv.171           # 0x40000
+bank17=DiagROMv.171           # 0x44000
+bank18=DiagROMv.171           # 0x48000
+bank19=DiagROMv.171           # 0x4C000
+bank20=DiagROMv.171           # 0x50000
+bank21=DiagROMv.171           # 0x54000
+bank22=DiagROMv.171           # 0x58000
+bank23=DiagROMv.171           # 0x5C000
 # A17+A18 (JP3+JP2)
 bank24=zxdiag.rom             # 0x60000
 bank25=zxdiag.rom             # 0x64000