diff --git a/src/main/java/com/bandwidth/iris/sdk/model/SipPeer.java b/src/main/java/com/bandwidth/iris/sdk/model/SipPeer.java
index da24288..2f497c2 100644
--- a/src/main/java/com/bandwidth/iris/sdk/model/SipPeer.java
+++ b/src/main/java/com/bandwidth/iris/sdk/model/SipPeer.java
@@ -222,7 +222,7 @@ public void enableMms() throws Exception {
     }
 
     public void updateMessagingApplicationSettings (SipPeerMessagingApplicationsSettings settings) throws Exception {
-        client.post(client.buildAccountModelUri(new String[] { IrisPath.SITES_URI_PATH, siteId,
+        client.put(client.buildAccountModelUri(new String[] { IrisPath.SITES_URI_PATH, siteId,
                 IrisPath.SIPPEERS_URI_PATH, peerId, "products", "messaging","applicationSettings" }), settings);
     }
 }
diff --git a/src/test/java/com/bandwidth/iris/sdk/SipPeerTests.java b/src/test/java/com/bandwidth/iris/sdk/SipPeerTests.java
index 42807ea..287d203 100644
--- a/src/test/java/com/bandwidth/iris/sdk/SipPeerTests.java
+++ b/src/test/java/com/bandwidth/iris/sdk/SipPeerTests.java
@@ -225,7 +225,7 @@ public void testEnableMms() throws Exception {
     @Test
     public void testUpdateSipPeerMessagingApplication() throws Exception {
         String url = "/v1.0/accounts/accountId/sites/1234/sippeers/5678/products/messaging/applicationSettings";
-        stubFor(post(urlMatching(url))
+        stubFor(put(urlMatching(url))
                 .willReturn(aResponse()
                         .withStatus(200).withBody(IrisClientTestUtils.updateSipPeerApplicationSetting)));