diff --git a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
index 09b7ef9..17bd3c0 100644
--- a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
@@ -305,7 +305,7 @@
 				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D9_IRQ)"
 				register "speed" = "I2C_SPEED_FAST_PLUS"
 				register "uid" = "0"
-				register "reg_prox_ctrl0" = "0x1a"
+				register "reg_prox_ctrl0" = "0x10"
 				register "reg_prox_ctrl1" = "0x00"
 				register "reg_prox_ctrl2" = "0x84"
 				register "reg_prox_ctrl3" = "0x0e"
@@ -346,7 +346,7 @@
 				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPP_D10_IRQ)"
 				register "speed" = "I2C_SPEED_FAST_PLUS"
 				register "uid" = "1"
-				register "reg_prox_ctrl0" = "0x1a"
+				register "reg_prox_ctrl0" = "0x10"
 				register "reg_prox_ctrl1" = "0x00"
 				register "reg_prox_ctrl2" = "0x84"
 				register "reg_prox_ctrl3" = "0x0e"