diff --git a/data/registers/lcd_v1.yaml b/data/registers/lcd_v1.yaml
index b0eb90a..007afb6 100644
--- a/data/registers/lcd_v1.yaml
+++ b/data/registers/lcd_v1.yaml
@@ -85,6 +85,10 @@ fieldset/CR:
       description: Mux segment enable
       bit_offset: 7
       bit_size: 1
+    - name: BUFEN
+      description: Voltage output buffer enable
+      bit_offset: 8
+      bit_size: 1
 fieldset/FCR:
   description: frame control register
   fields: