diff --git a/src/mainboard/google/rex/variants/rex0/overridetree.cb b/src/mainboard/google/rex/variants/rex0/overridetree.cb
index 4f74ea4..793a46d 100644
--- a/src/mainboard/google/rex/variants/rex0/overridetree.cb
+++ b/src/mainboard/google/rex/variants/rex0/overridetree.cb
@@ -535,10 +535,10 @@
 
 				register "nvm_compat" = ""atmel,24c64""
 
-				register "nvm_size" = "0x10000"
+				register "nvm_size" = "0x2000"
 				register "nvm_pagesize" = "0x01"
 				register "nvm_readonly" = "0x01"
-				register "nvm_width" = "0x0E"
+				register "nvm_width" = "0x10"
 
 				register "max_dstate_for_probe" = "ACPI_DEVICE_SLEEP_D0"
 
@@ -656,7 +656,7 @@
 				register "chip_name" = ""ST M24C64X""
 				register "device_type" = "INTEL_ACPI_CAMERA_NVM"
 
-				register "nvm_size" = "0x10000"
+				register "nvm_size" = "0x2000"
 				register "nvm_pagesize" = "1"
 				register "nvm_readonly" = "1"
 				register "nvm_width" = "0x10"