diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java
index 9ceef6c..e4ea7db 100644
--- a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/LispEidRecord.java
@@ -77,7 +77,8 @@
             // let's skip the reserved field
             byteBuf.skipBytes(RESERVED_SKIP_LENGTH);
 
-            short maskLength = (short) byteBuf.readUnsignedShort();
+            // mask length -> 8 bits
+            short maskLength = byteBuf.readUnsignedByte();
 
             LispAfiAddress prefix = new LispAfiAddress.AfiAddressReader().readFrom(byteBuf);