diff --git a/tcl/target/lpc8xx.cfg b/tcl/target/lpc8xx.cfg
index 565415049..e0e210b96 100644
--- a/tcl/target/lpc8xx.cfg
+++ b/tcl/target/lpc8xx.cfg
@@ -1,5 +1,7 @@
 # NXP LPC8xx Cortex-M0+ with at least 1kB SRAM
-set CHIPNAME lpc8xx
+if { ![info exists CHIPNAME] } {
+	set CHIPNAME lpc8xx
+}
 set CHIPSERIES lpc800
 if { ![info exists WORKAREASIZE] } {
 	set WORKAREASIZE 0x400