diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index d92dc24088..1d4ba630ca 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -142,8 +142,8 @@ chip soc/intel/meteorlake
 		},
 		.i2c[5] = {
 			.speed = I2C_SPEED_FAST,
-			.rise_time_ns = 900,
-			.fall_time_ns = 400,
+			.rise_time_ns = 400,
+			.fall_time_ns = 280,
 			.data_hold_time_ns = 50,
 		},
 	}"