diff --git a/core/src/main/java/com/google/bitcoin/core/AddressMessage.java b/core/src/main/java/com/google/bitcoin/core/AddressMessage.java
index 64199b0f..27fc45f9 100644
--- a/core/src/main/java/com/google/bitcoin/core/AddressMessage.java
+++ b/core/src/main/java/com/google/bitcoin/core/AddressMessage.java
@@ -96,7 +96,7 @@ public class AddressMessage extends Message {
         }
     }
 
-    int getMessageSize() {
+    public int getMessageSize() {
         if (length != UNKNOWN_LENGTH)
             return length;
         if (addresses != null) {
diff --git a/core/src/main/java/com/google/bitcoin/core/EmptyMessage.java b/core/src/main/java/com/google/bitcoin/core/EmptyMessage.java
index 463ba36c..489579d7 100644
--- a/core/src/main/java/com/google/bitcoin/core/EmptyMessage.java
+++ b/core/src/main/java/com/google/bitcoin/core/EmptyMessage.java
@@ -46,7 +46,7 @@ public abstract class EmptyMessage extends Message {
     }
 
     @Override
-    int getMessageSize() {
+    public int getMessageSize() {
         return 0;
     }
 
diff --git a/core/src/main/java/com/google/bitcoin/core/Message.java b/core/src/main/java/com/google/bitcoin/core/Message.java
index cc906b62..d5b08040 100644
--- a/core/src/main/java/com/google/bitcoin/core/Message.java
+++ b/core/src/main/java/com/google/bitcoin/core/Message.java
@@ -393,7 +393,7 @@ public abstract class Message implements Serializable {
      *
      * @return
      */
-    int getMessageSize() {
+    public int getMessageSize() {
         if (length != UNKNOWN_LENGTH)
             return length;
         maybeParse();
diff --git a/core/src/main/java/com/google/bitcoin/core/PeerAddress.java b/core/src/main/java/com/google/bitcoin/core/PeerAddress.java
index d44a52e8..cac93104 100644
--- a/core/src/main/java/com/google/bitcoin/core/PeerAddress.java
+++ b/core/src/main/java/com/google/bitcoin/core/PeerAddress.java
@@ -152,7 +152,7 @@ public class PeerAddress extends ChildMessage {
       * @see Message#getMessageSize()
       */
     @Override
-    int getMessageSize() {
+    public int getMessageSize() {
     	// The 4 byte difference is the uint32 timestamp that was introduced in version 31402 
         length = protocolVersion > 31402 ? MESSAGE_SIZE : MESSAGE_SIZE - 4;
         return length;
diff --git a/core/src/main/java/com/google/bitcoin/core/TransactionOutPoint.java b/core/src/main/java/com/google/bitcoin/core/TransactionOutPoint.java
index 8bd5e307..1c0be6e6 100644
--- a/core/src/main/java/com/google/bitcoin/core/TransactionOutPoint.java
+++ b/core/src/main/java/com/google/bitcoin/core/TransactionOutPoint.java
@@ -97,7 +97,7 @@ public class TransactionOutPoint extends ChildMessage implements Serializable {
       * @see Message#getMessageSize()
       */
     @Override
-    int getMessageSize() {
+    public int getMessageSize() {
         return MESSAGE_LENGTH;
     }