diff --git a/configs/MPC832XEMDS_SLAVE_defconfig b/configs/MPC832XEMDS_SLAVE_defconfig
index 3320889..29b8f1a 100644
--- a/configs/MPC832XEMDS_SLAVE_defconfig
+++ b/configs/MPC832XEMDS_SLAVE_defconfig
@@ -1,5 +1,6 @@
 CONFIG_PPC=y
 CONFIG_SYS_TEXT_BASE=0xFE000000
+CONFIG_SYS_CLK_FREQ=66000000
 CONFIG_MPC83xx=y
 CONFIG_TARGET_MPC832XEMDS=y
 CONFIG_OF_BOARD_SETUP=y