diff --git a/src/PVE/Storage/PBSPlugin.pm b/src/PVE/Storage/PBSPlugin.pm
index 08ceb88..0808bcc 100644
--- a/src/PVE/Storage/PBSPlugin.pm
+++ b/src/PVE/Storage/PBSPlugin.pm
@@ -49,12 +49,6 @@ sub properties {
 	    description => "Base64-encoded, PEM-formatted public RSA key. Used to encrypt a copy of the encryption-key which will be added to each encrypted backup.",
 	    type => 'string',
 	},
-	port => {
-	    description => "For non default port.",
-	    type => 'integer',
-	    minimum => 1,
-	    maximum => 65535,
-	},
     };
 }
 
diff --git a/src/PVE/Storage/Plugin.pm b/src/PVE/Storage/Plugin.pm
index b85d935..6444390 100644
--- a/src/PVE/Storage/Plugin.pm
+++ b/src/PVE/Storage/Plugin.pm
@@ -205,6 +205,15 @@ my $defaultData = {
 	    format => 'pve-storage-options',
 	    optional => 1,
 	},
+	port => {
+	    description => "Use this port to connect to the storage instead of the default one (for"
+		." example, with PBS or ESXi). For NFS and CIFS, use the 'options' option to"
+		." configure the port via the mount options.",
+	    type => 'integer',
+	    minimum => 1,
+	    maximum => 65535,
+	    optional => 1,
+	},
     },
 };