diff --git a/src/mainboard/google/stout/devicetree.cb b/src/mainboard/google/stout/devicetree.cb
index ad700ce..b38adaf 100644
--- a/src/mainboard/google/stout/devicetree.cb
+++ b/src/mainboard/google/stout/devicetree.cb
@@ -61,7 +61,7 @@
 			register "gen3_dec" = "0x0001C1611"
 
 			# Enable zero-based linear PCIe root port functions
-			register "pcie_port_coalesce" = "1"
+			register "pcie_port_coalesce" = "true"
 
 			device pci 14.0 on end # USB 3.0 Controller
 			device pci 16.0 on end # Management Engine Interface 1