diff --git a/src/mainboard/google/octopus/variants/fleex/overridetree.cb b/src/mainboard/google/octopus/variants/fleex/overridetree.cb
index da4e701641..1d1a67ad33 100644
--- a/src/mainboard/google/octopus/variants/fleex/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/fleex/overridetree.cb
@@ -63,6 +63,8 @@ chip soc/intel/apollolake
 		},
 		.i2c[0] = {
 			.speed = I2C_SPEED_FAST,
+			.rise_time_ns = 25,
+			.fall_time_ns = 52,
 		},
 		.i2c[5] = {
 			.speed = I2C_SPEED_FAST,