diff --git a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpNotificationMsgVer4.java b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpNotificationMsgVer4.java
index 7243e21..58e51df 100644
--- a/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpNotificationMsgVer4.java
+++ b/protocols/bgp/bgpio/src/main/java/org/onosproject/bgpio/protocol/ver4/BgpNotificationMsgVer4.java
@@ -122,11 +122,11 @@
         private BgpHeader bgpHeader;
         private boolean isErrorCodeSet = false;
         private boolean isErrorSubCodeSet = false;
-        private boolean isBGPHeaderSet = false;
+        private boolean isBgpHeaderSet = false;
 
         @Override
         public BgpNotificationMsg build() throws BgpParseException {
-            BgpHeader bgpHeader = this.isBGPHeaderSet ? this.bgpHeader : DEFAULT_MESSAGE_HEADER;
+            BgpHeader bgpHeader = this.isBgpHeaderSet ? this.bgpHeader : DEFAULT_MESSAGE_HEADER;
             if (!this.isErrorCodeSet) {
                 throw new BgpParseException("Error code must be present");
             }
@@ -262,4 +262,4 @@
                 .add("errorSubCode", errorSubCode)
                 .toString();
     }
-}
\ No newline at end of file
+}