diff --git a/src/main/java/net/spy/memcached/collection/BTreeFindPositionWithGet.java b/src/main/java/net/spy/memcached/collection/BTreeFindPositionWithGet.java
index 300286da3..f3aa2d3c5 100644
--- a/src/main/java/net/spy/memcached/collection/BTreeFindPositionWithGet.java
+++ b/src/main/java/net/spy/memcached/collection/BTreeFindPositionWithGet.java
@@ -97,7 +97,7 @@ public int getCount() {
   }
 
   @Override
-  public byte[] getAddtionalArgs() {
+  public byte[] getAdditionalArgs() {
     return null;
   }
 
diff --git a/src/main/java/net/spy/memcached/collection/BTreeGet.java b/src/main/java/net/spy/memcached/collection/BTreeGet.java
index 5eb932565..5e0f79a30 100644
--- a/src/main/java/net/spy/memcached/collection/BTreeGet.java
+++ b/src/main/java/net/spy/memcached/collection/BTreeGet.java
@@ -121,7 +121,7 @@ public String getCommand() {
   }
 
   @Override
-  public byte[] getAddtionalArgs() {
+  public byte[] getAdditionalArgs() {
     return null;
   }
 
diff --git a/src/main/java/net/spy/memcached/collection/BTreeGetByPosition.java b/src/main/java/net/spy/memcached/collection/BTreeGetByPosition.java
index d56963109..76c083a44 100644
--- a/src/main/java/net/spy/memcached/collection/BTreeGetByPosition.java
+++ b/src/main/java/net/spy/memcached/collection/BTreeGetByPosition.java
@@ -86,7 +86,7 @@ public String getCommand() {
   }
 
   @Override
-  public byte[] getAddtionalArgs() {
+  public byte[] getAdditionalArgs() {
     return null;
   }
 
diff --git a/src/main/java/net/spy/memcached/collection/BTreeInsertAndGet.java b/src/main/java/net/spy/memcached/collection/BTreeInsertAndGet.java
index 190b1225b..6891b36b5 100644
--- a/src/main/java/net/spy/memcached/collection/BTreeInsertAndGet.java
+++ b/src/main/java/net/spy/memcached/collection/BTreeInsertAndGet.java
@@ -82,7 +82,7 @@ public void decodeElemHeader(List<String> tokens) {
   }
 
   @Override
-  public byte[] getAddtionalArgs() {
+  public byte[] getAdditionalArgs() {
     return null;
   }
 
diff --git a/src/main/java/net/spy/memcached/collection/CollectionGet.java b/src/main/java/net/spy/memcached/collection/CollectionGet.java
index 139b7f10b..4b73fe15d 100644
--- a/src/main/java/net/spy/memcached/collection/CollectionGet.java
+++ b/src/main/java/net/spy/memcached/collection/CollectionGet.java
@@ -64,7 +64,7 @@ public int getEHeadCount() {
     return eHeadCount;
   }
 
-  public abstract byte[] getAddtionalArgs();
+  public abstract byte[] getAdditionalArgs();
 
   public abstract String stringify();
 
diff --git a/src/main/java/net/spy/memcached/collection/ListGet.java b/src/main/java/net/spy/memcached/collection/ListGet.java
index 6d47b3886..e0eba0d30 100644
--- a/src/main/java/net/spy/memcached/collection/ListGet.java
+++ b/src/main/java/net/spy/memcached/collection/ListGet.java
@@ -47,7 +47,7 @@ public void setRange(String range) {
   }
 
   @Override
-  public byte[] getAddtionalArgs() {
+  public byte[] getAdditionalArgs() {
     return null;
   }
 
diff --git a/src/main/java/net/spy/memcached/collection/MapGet.java b/src/main/java/net/spy/memcached/collection/MapGet.java
index ddb23e128..15ab8ba2d 100644
--- a/src/main/java/net/spy/memcached/collection/MapGet.java
+++ b/src/main/java/net/spy/memcached/collection/MapGet.java
@@ -58,7 +58,7 @@ public String getSpaceSeparatedMkeys() {
   }
 
   @Override
-  public byte[] getAddtionalArgs() {
+  public byte[] getAdditionalArgs() {
     return additionalArgs;
   }
 
diff --git a/src/main/java/net/spy/memcached/collection/SetGet.java b/src/main/java/net/spy/memcached/collection/SetGet.java
index 81303060e..a0f088b8f 100644
--- a/src/main/java/net/spy/memcached/collection/SetGet.java
+++ b/src/main/java/net/spy/memcached/collection/SetGet.java
@@ -41,7 +41,7 @@ public void setCount(int count) {
   }
 
   @Override
-  public byte[] getAddtionalArgs() {
+  public byte[] getAdditionalArgs() {
     return null;
   }
 
diff --git a/src/main/java/net/spy/memcached/protocol/ascii/CollectionGetOperationImpl.java b/src/main/java/net/spy/memcached/protocol/ascii/CollectionGetOperationImpl.java
index 1aa9f8c27..029a21887 100644
--- a/src/main/java/net/spy/memcached/protocol/ascii/CollectionGetOperationImpl.java
+++ b/src/main/java/net/spy/memcached/protocol/ascii/CollectionGetOperationImpl.java
@@ -267,7 +267,7 @@ public void initialize() {
       }
     }
     String args = collectionGet.stringify();
-    byte[] additionalArgs = collectionGet.getAddtionalArgs();
+    byte[] additionalArgs = collectionGet.getAdditionalArgs();
 
     ByteBuffer bb = ByteBuffer.allocate(
             KeyUtil.getKeyBytes(key).length + cmd.length() + args.length() +
diff --git a/src/test/manual/net/spy/memcached/MultibyteKeyTest.java b/src/test/manual/net/spy/memcached/MultibyteKeyTest.java
index 53f868a33..254f22c62 100644
--- a/src/test/manual/net/spy/memcached/MultibyteKeyTest.java
+++ b/src/test/manual/net/spy/memcached/MultibyteKeyTest.java
@@ -153,7 +153,7 @@ public String stringify() {
         }
 
         @Override
-        public byte[] getAddtionalArgs() {
+        public byte[] getAdditionalArgs() {
           return null;
         }