diff --git a/src/mainboard/google/octopus/variants/phaser/overridetree.cb b/src/mainboard/google/octopus/variants/phaser/overridetree.cb
index 2f6915e62a..3a208ea600 100644
--- a/src/mainboard/google/octopus/variants/phaser/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/phaser/overridetree.cb
@@ -20,8 +20,8 @@ chip soc/intel/apollolake
 		},
 		.i2c[0] = {
 			.speed = I2C_SPEED_FAST,
-			.rise_time_ns = 152,
-			.fall_time_ns = 30,
+			.rise_time_ns = 66,
+			.fall_time_ns = 90,
 		},
 		.i2c[5] = {
 			.speed = I2C_SPEED_FAST,