diff --git a/openocd.cfg b/openocd.cfg
index 88b2e9c..6afa9fb 100644
--- a/openocd.cfg
+++ b/openocd.cfg
@@ -1,5 +1,8 @@
 # Sample OpenOCD configuration for the blue pill board
 
+# Some microcontrollers have a different CPU ID; uncomment this if yours is one
+set CPUTAPID 0x2ba01477
+
 # Depending on the hardware revision you got you'll have to pick ONE of these
 # interfaces. At any time only one interface should be commented out.