diff --git a/src/mainboard/google/octopus/variants/phaser/overridetree.cb b/src/mainboard/google/octopus/variants/phaser/overridetree.cb
index 45c017a3f6..ae52c3dc57 100644
--- a/src/mainboard/google/octopus/variants/phaser/overridetree.cb
+++ b/src/mainboard/google/octopus/variants/phaser/overridetree.cb
@@ -150,7 +150,7 @@ chip soc/intel/apollolake
 			chip drivers/i2c/generic
 				register "hid" = ""ELAN0001""
 				register "desc" = ""ELAN Touchscreen""
-				register "irq" = "ACPI_IRQ_EDGE_LOW(GPIO_212_IRQ)"
+				register "irq" = "ACPI_IRQ_LEVEL_LOW(GPIO_212_IRQ)"
 				register "probed" = "1"
 				register "reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_105)"
 				register "reset_delay_ms" = "20"