diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index ce46f061d8678c332514f715bab8c02e5b0da670..889e721b9c592cd28268536726eccc1ed21ea151 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -2151,7 +2151,7 @@
                 <td> rbd </td>
                 <td> monitor servers of RBD </td>
                 <td> one or more </td>
-                <td> 6789 </td>
+                <td> librados default </td>
               </tr>
               <tr>
                 <td> sheepdog </td>
diff --git a/docs/storage.html.in b/docs/storage.html.in
index 6c8222abe8d08ea2a2527bc54334de2ed3ea4506..1f0133035628e6cd526ea3b5eefee71017029729 100644
--- a/docs/storage.html.in
+++ b/docs/storage.html.in
@@ -550,7 +550,9 @@
       backend supports cephx authentication for communication with the
       Ceph cluster. Storing the cephx authentication key is done with
       the libvirt secret mechanism. The UUID in the example pool input
-      refers to the UUID of the stored secret.
+      refers to the UUID of the stored secret.<br />
+      The port attribute for a Ceph monitor does not have to be provided.
+      If not provided librados will use the default Ceph monitor port.
       <span class="since">Since 0.9.13</span>
     </p>
 
@@ -560,8 +562,8 @@
         &lt;name&gt;myrbdpool&lt;/name&gt;
         &lt;source&gt;
           &lt;name&gt;rbdpool&lt;/name&gt;
-          &lt;host name='1.2.3.4' port='6789'/&gt;
-          &lt;host name='my.ceph.monitor' port='6789'/&gt;
+          &lt;host name='1.2.3.4'/&gt;
+          &lt;host name='my.ceph.monitor'/&gt;
           &lt;host name='third.ceph.monitor' port='6789'/&gt;
           &lt;auth username='admin' type='ceph'&gt;
             &lt;secret uuid='2ec115d7-3a88-3ceb-bc12-0ac909a6fd87'/&gt;
diff --git a/src/storage/storage_backend_rbd.c b/src/storage/storage_backend_rbd.c
index 8dcb9be8991f30e8358a2dff1b7efb336e1fafc3..e20a54d35d40d07d29cd623176f384453f69e724 100644
--- a/src/storage/storage_backend_rbd.c
+++ b/src/storage/storage_backend_rbd.c
@@ -173,7 +173,7 @@ static int virStorageBackendRBDOpenRADOSConn(virStorageBackendRBDStatePtr ptr,
     for (i = 0; i < source->nhost; i++) {
         if (source->hosts[i].name != NULL &&
             !source->hosts[i].port) {
-            virBufferAsprintf(&mon_host, "%s:6789,",
+            virBufferAsprintf(&mon_host, "%s,",
                               source->hosts[i].name);
         } else if (source->hosts[i].name != NULL &&
             source->hosts[i].port) {
diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index 2aa1d90d65817ca2c46aaf23250ab4cc85699195..101070f95ae8900b1f9950bdab2e786c2e274f81 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -2245,9 +2245,6 @@ virStorageSourceRBDAddHost(virStorageSourcePtr src,
         port += skip;
         if (VIR_STRDUP(src->hosts[src->nhosts - 1].port, port) < 0)
             goto error;
-    } else {
-        if (VIR_STRDUP(src->hosts[src->nhosts - 1].port, "6789") < 0)
-            goto error;
     }
 
     parts = virStringSplit(hostport, "\\:", 0);