diff --git a/data/registers/rcc_g0.yaml b/data/registers/rcc_g0.yaml
index 0a2a2ee..fb5f50d 100644
--- a/data/registers/rcc_g0.yaml
+++ b/data/registers/rcc_g0.yaml
@@ -792,7 +792,7 @@ fieldset/CCIPR2:
     - name: USBSEL
       description: USBSEL
       bit_offset: 12
-      bit_size: 1
+      bit_size: 2
 fieldset/CFGR:
   description: Clock configuration register
   fields: