diff --git a/configs/sama5d4_xplained_nandflash_defconfig b/configs/sama5d4_xplained_nandflash_defconfig
index 764fe31..b2079f0 100644
--- a/configs/sama5d4_xplained_nandflash_defconfig
+++ b/configs/sama5d4_xplained_nandflash_defconfig
@@ -55,7 +55,7 @@
 CONFIG_DM_SERIAL=y
 CONFIG_DEBUG_UART_ATMEL=y
 CONFIG_DEBUG_UART_BASE=0xfc00c000
-CONFIG_DEBUG_UART_CLOCK=88000000
+CONFIG_DEBUG_UART_CLOCK=100000000
 CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_ATMEL_USART=y