diff --git a/tcl/target/stm32l4x.cfg b/tcl/target/stm32l4x.cfg
index 8b827adc8..651699422 100644
--- a/tcl/target/stm32l4x.cfg
+++ b/tcl/target/stm32l4x.cfg
@@ -84,7 +84,7 @@ $_TARGETNAME configure -event reset-init {
 	# Configure system to use MSI 24 MHz clock, compliant with VOS default (2).
 	# 3 WS compliant with VOS=2 and 24 MHz.
 	mww 0x40022000 0x00000102   ;# FLASH_ACR = PRFTBE | 3(Latency)
-	mww 0x4002100C 0x00000099   ;# RCC_CR = MSI_ON | MSIRGSEL| MSI Range 10
+	mww 0x40021000 0x00000099   ;# RCC_CR = MSI_ON | MSIRGSEL| MSI Range 10
 	# Boost JTAG frequency
 	adapter_khz 4000
 }