diff --git a/config/RCU.yaml b/config/RCU.yaml
index d7ec3f366041c18419223e59cc095efc1e42d33f..e3301ed28638d91131ae6c1e95740de19f5fc200 100644
--- a/config/RCU.yaml
+++ b/config/RCU.yaml
@@ -408,7 +408,7 @@ methods:
      - IO3.CONF1: 0
      - IO3.CONF2: 0
      - IO1.CONF1: 0
-     - IO1.CONF1: 0
+     - IO1.CONF2: 0
 #     - RCU_GPIO1: Update
 #     - RCU_GPIO2: Update
 #     - RCU_attenuator: [10,10,10]  #Set OPC-UA variable