diff --git a/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/SDNConnection.java b/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/SDNConnection.java
index 0b693afad2..f3117d534a 100644
--- a/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/SDNConnection.java
+++ b/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/SDNConnection.java
@@ -24,11 +24,11 @@
 package org.jclouds.nirvanix.sdn;
 
 import java.net.URI;
+import java.util.Map;
 import java.util.concurrent.Future;
 
 import javax.ws.rs.GET;
 import javax.ws.rs.POST;
-import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.QueryParam;
@@ -50,8 +50,6 @@ import org.jclouds.rest.annotations.RequestFilters;
 import org.jclouds.rest.annotations.ResponseParser;
 import org.jclouds.rest.annotations.SkipEncoding;
 
-import com.google.common.collect.Multimap;
-
 /**
  * Provides access to Nirvanix SDN resources via their REST API.
  * <p/>
@@ -85,11 +83,11 @@ public interface SDNConnection {
    /**
     * The SetMetadata method is used to set specified metadata for a file or folder.
     */
-   @PUT
+   @GET
    @Path("/ws/Metadata/SetMetadata.ashx")
    @QueryParams(keys = SDNQueryParams.PATH, values = "{path}")
    Future<Void> setMetadata(@PathParam("path") String path,
-            @BinderParam(BindMetadataToQueryParams.class) Multimap<String, String> metadata);
+            @BinderParam(BindMetadataToQueryParams.class) Map<String, String> metadata);
 
    /**
     * The GetMetadata method is used to retrieve all metadata from a file or folder.
diff --git a/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/binders/BindMetadataToQueryParams.java b/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/binders/BindMetadataToQueryParams.java
index e8323029eb..46428b52f6 100644
--- a/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/binders/BindMetadataToQueryParams.java
+++ b/nirvanix/sdn/core/src/main/java/org/jclouds/nirvanix/sdn/binders/BindMetadataToQueryParams.java
@@ -4,6 +4,7 @@ import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
 
 import java.util.List;
+import java.util.Map;
 import java.util.Map.Entry;
 
 import org.jclouds.http.HttpRequest;
@@ -11,22 +12,21 @@ import org.jclouds.rest.Binder;
 import org.jclouds.rest.internal.GeneratedHttpRequest;
 
 import com.google.common.collect.Lists;
-import com.google.common.collect.Multimap;
 
 public class BindMetadataToQueryParams implements Binder {
 
    @SuppressWarnings("unchecked")
    public void bindToRequest(HttpRequest request, Object input) {
       checkArgument(checkNotNull(request, "input") instanceof GeneratedHttpRequest,
-               "this decorator is only valid for GeneratedHttpRequests!");
-      checkArgument(checkNotNull(input, "input") instanceof Multimap,
-               "this decorator is only valid for Multimaps!");
-      Multimap<String, String> userMetadata = (Multimap<String, String>) input;
+               "this binder is only valid for GeneratedHttpRequests!");
+      checkArgument(checkNotNull(input, "input") instanceof Map,
+               "this binder is only valid for Maps!");
+      Map<String, String> userMetadata = (Map<String, String>) input;
       List<String> metadata = Lists.newArrayList();
-      for (Entry<String, String> entry : userMetadata.entries()) {
+      for (Entry<String, String> entry : userMetadata.entrySet()) {
          metadata.add(String.format("%s:%s", entry.getKey().toLowerCase(), entry.getValue()));
       }
-      ((GeneratedHttpRequest)request).replaceQueryParam("metadata", metadata.toArray());
+      ((GeneratedHttpRequest) request).replaceQueryParam("metadata", metadata.toArray());
    }
 
 }
diff --git a/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionLiveTest.java b/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionLiveTest.java
index f4e938f482..278f5b45bc 100644
--- a/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionLiveTest.java
+++ b/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionLiveTest.java
@@ -1,9 +1,11 @@
 package org.jclouds.nirvanix.sdn;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-import static org.testng.Assert.*;
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertNotNull;
 
 import java.net.URI;
+import java.util.Map;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
@@ -16,6 +18,8 @@ import org.jclouds.nirvanix.sdn.domain.UploadInfo;
 import org.testng.annotations.BeforeGroups;
 import org.testng.annotations.Test;
 
+import com.google.common.collect.ImmutableMap;
+
 /**
  * Tests behavior of {@code SDNConnection}
  * 
@@ -59,8 +63,8 @@ public class SDNConnectionLiveTest {
       String content = connection.getFile(containerName + "/test.txt").get(30, TimeUnit.SECONDS);
       assertEquals(content, "value");
 
-      // Multimap<String, String> metadata = ImmutableMultimap.of("chef", "sushi", "foo", "bar");
-      // connection.setMetadata(containerName+"/test.txt", metadata).get(30, TimeUnit.SECONDS);
+       Map<String, String> metadata = ImmutableMap.of("chef", "sushi", "foo", "bar");
+       connection.setMetadata(containerName+"/test.txt", metadata).get(30, TimeUnit.SECONDS);
 
    }
 }
diff --git a/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionTest.java b/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionTest.java
index 4d7db7e45c..826ff0f6d1 100644
--- a/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionTest.java
+++ b/nirvanix/sdn/core/src/test/java/org/jclouds/nirvanix/sdn/SDNConnectionTest.java
@@ -30,6 +30,7 @@ import java.io.InputStream;
 import java.lang.reflect.Method;
 import java.net.URI;
 import java.util.Collections;
+import java.util.Map;
 
 import javax.ws.rs.HttpMethod;
 import javax.ws.rs.core.HttpHeaders;
@@ -56,8 +57,7 @@ import org.jclouds.util.Utils;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.Test;
 
-import com.google.common.collect.ImmutableMultimap;
-import com.google.common.collect.Multimap;
+import com.google.common.collect.ImmutableMap;
 import com.google.inject.AbstractModule;
 import com.google.inject.Guice;
 import com.google.inject.Injector;
@@ -117,18 +117,16 @@ public class SDNConnectionTest {
    }
 
    public void testSetMetadata() throws SecurityException, NoSuchMethodException, IOException {
-      Method method = SDNConnection.class.getMethod("setMetadata", String.class, Multimap.class);
+      Method method = SDNConnection.class.getMethod("setMetadata", String.class, Map.class);
       GeneratedHttpRequest<SDNConnection> httpMethod = processor
                .createRequest(method, new Object[] { "adriansmovies/sushi.avi",
-                        ImmutableMultimap.of("Chef", "Kawasaki") });
+                        ImmutableMap.of("Chef", "Kawasaki") });
       assertEquals(httpMethod.getEndpoint().getHost(), "localhost");
       assertEquals(httpMethod.getEndpoint().getPath(), "/ws/Metadata/SetMetadata.ashx");
       assertEquals(httpMethod.getEndpoint().getQuery(),
                "output=json&path=adriansmovies/sushi.avi&metadata=chef:Kawasaki");
-      assertEquals(httpMethod.getMethod(), HttpMethod.PUT);
-      assertEquals(httpMethod.getHeaders().size(), 1);
-      assertEquals(httpMethod.getHeaders().get(HttpHeaders.CONTENT_LENGTH), Collections
-               .singletonList(0 + ""));
+      assertEquals(httpMethod.getMethod(), HttpMethod.GET);
+      assertEquals(httpMethod.getHeaders().size(), 0);
       assertEquals(httpMethod.getEntity(), null);
       assertEquals(processor.createResponseParser(method, httpMethod).getClass(),
                ReturnVoidIf2xx.class);