diff --git a/libraries/base/dp/dp.peripheral.yaml b/libraries/base/dp/dp.peripheral.yaml
index a86b46f92569d9c4223533d3bec2c8fcd3688568..64e18fe4e39c713ae535859a07f67f936db76315 100644
--- a/libraries/base/dp/dp.peripheral.yaml
+++ b/libraries/base/dp/dp.peripheral.yaml
@@ -127,7 +127,7 @@ peripherals:
           - - field_name: replaced_pkt_cnt
               field_description: "Count of packets that contain replacement data per sync interval."
               address_offset: 1 * MM_BUS_SIZE
-              access_mode: R0
+              access_mode: RO
 
 
   - peripheral_name: dp_bsn_source    # pi_dp_bsn_source.py