diff --git a/src/mainboard/system76/gaze15/devicetree.cb b/src/mainboard/system76/gaze15/devicetree.cb
index f00c6b646d..0cc67898ee 100644
--- a/src/mainboard/system76/gaze15/devicetree.cb
+++ b/src/mainboard/system76/gaze15/devicetree.cb
@@ -54,7 +54,7 @@ chip soc/intel/cannonlake
 	}"
 
 	# SATA
-	register "SataMode" = "Sata_AHCI"
+	register "SataMode" = "SATA_AHCI"
 	register "SataSalpSupport" = "0"
 
 	register "SataPortsEnable[0]" = "0"