diff --git a/Shorewall/Perl/Shorewall/Tc.pm b/Shorewall/Perl/Shorewall/Tc.pm
index 005f8a121..adebdc38e 100644
--- a/Shorewall/Perl/Shorewall/Tc.pm
+++ b/Shorewall/Perl/Shorewall/Tc.pm
@@ -1244,7 +1244,7 @@ sub validate_tc_class( ) {
 		    $priority = validate_filter_priority( $pri, 'mark' );
 		} else {
 		    fatal_error "Missing TOS priority" if $prio eq '-';
-		    $priority = ( $prio << 8 ) | 10;
+		    $priority = ( $prio << 8 ) | 15;
 		}
 
 		$option = "tos=$optval" if $optval;
diff --git a/Shorewall/manpages/shorewall-tcfilters.xml b/Shorewall/manpages/shorewall-tcfilters.xml
index 3d8494d40..c3b6fb804 100644
--- a/Shorewall/manpages/shorewall-tcfilters.xml
+++ b/Shorewall/manpages/shorewall-tcfilters.xml
@@ -224,7 +224,7 @@
 
             <listitem>
               <para>Classify by TOS - ( <replaceable>class
-              priority</replaceable> &lt;&lt; 8 ) | 10.</para>
+              priority</replaceable> &lt;&lt; 8 ) | 15.</para>
             </listitem>
 
             <listitem>
diff --git a/Shorewall6/manpages/shorewall6-tcfilters.xml b/Shorewall6/manpages/shorewall6-tcfilters.xml
index 60c3ec516..7ac2294f5 100644
--- a/Shorewall6/manpages/shorewall6-tcfilters.xml
+++ b/Shorewall6/manpages/shorewall6-tcfilters.xml
@@ -219,7 +219,7 @@
 
             <listitem>
               <para>Classify by TOS - ( <replaceable>class
-              priority</replaceable> &lt;&lt; 8 ) | 10.</para>
+              priority</replaceable> &lt;&lt; 8 ) | 15.</para>
             </listitem>
 
             <listitem>