diff --git a/tcl/target/stm32f4x.cfg b/tcl/target/stm32f4x.cfg
index e94837f83..2228de72f 100644
--- a/tcl/target/stm32f4x.cfg
+++ b/tcl/target/stm32f4x.cfg
@@ -38,7 +38,7 @@ if { [info exists CPUTAPID] } {
 swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
 dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
 
-tpiu create $_CHIPNAME.tpiu -dap stm32f4x.dap -ap-num 0 -baseaddr 0xE0040000
+tpiu create $_CHIPNAME.tpiu -dap $_CHIPNAME.dap -ap-num 0 -baseaddr 0xE0040000
 
 if {[using_jtag]} {
    jtag newtap $_CHIPNAME bs -irlen 5