diff --git a/configs/arcangel4-be_defconfig b/configs/arcangel4-be_defconfig
index 867fb1f..0c3ab4e 100644
--- a/configs/arcangel4-be_defconfig
+++ b/configs/arcangel4-be_defconfig
@@ -1,2 +1,3 @@
 CONFIG_ARC=y
 CONFIG_TARGET_ARCANGEL4_BE=y
+CONFIG_SYS_CLK_FREQ=70000000