diff --git a/configs/MPC8313ERDB_66_defconfig b/configs/MPC8313ERDB_66_defconfig
index 6b29c2e..fb4fdde 100644
--- a/configs/MPC8313ERDB_66_defconfig
+++ b/configs/MPC8313ERDB_66_defconfig
@@ -1,5 +1,6 @@
 CONFIG_PPC=y
 CONFIG_SYS_TEXT_BASE=0xFE000000
+CONFIG_SYS_CLK_FREQ=66666667
 CONFIG_MPC83xx=y
 CONFIG_TARGET_MPC8313ERDB_NOR=y
 CONFIG_OF_BOARD_SETUP=y