diff --git a/Shorewall/Perl/Shorewall/Config.pm b/Shorewall/Perl/Shorewall/Config.pm
index f455f887a..62ec964c2 100644
--- a/Shorewall/Perl/Shorewall/Config.pm
+++ b/Shorewall/Perl/Shorewall/Config.pm
@@ -1812,8 +1812,12 @@ sub split_list2( $$ ) {
 
 sub split_list3( $$ ) {
     my ($list, $type ) = @_;
-
-    fatal_error "Invalid $type ($list)" if $list =~ /^,|,,/;
+    #
+    # We allow omitted arguments in action invocations.
+    #
+    $list =~ s/^,/-,/;
+    $list =~ s/,$/,-/;
+    $list =~ s/,,/,-,/g;
 
     my @list1 = split /,/, $list;
     my @list2;
diff --git a/Shorewall/Perl/Shorewall/Rules.pm b/Shorewall/Perl/Shorewall/Rules.pm
index 4a4a11eb2..798ca3e7d 100644
--- a/Shorewall/Perl/Shorewall/Rules.pm
+++ b/Shorewall/Perl/Shorewall/Rules.pm
@@ -2121,8 +2121,6 @@ sub process_rule ( $$$$$$$$$$$$$$$$$$$ ) {
 
 	return $generated;
 
-    } elsif ( $actiontype & ( ACTION | INLINE ) ) {
-	split_list1 $param, 'Action parameter';
     } elsif ( $actiontype & NFQ ) {
 	require_capability( 'NFQUEUE_TARGET', 'NFQUEUE Rules', '' );
 	my $paramval = $param eq '' ? 0 : numeric_value( $param );
@@ -2140,7 +2138,7 @@ sub process_rule ( $$$$$$$$$$$$$$$$$$$ ) {
 	validate_level( $action );
 	$loglevel = supplied $loglevel ? join( ':', $action, $loglevel ) : $action;
 	$action   = 'LOG';
-    } else {
+    } elsif ( ! ( $actiontype & (ACTION | INLINE) ) ) {
 	fatal_error "The $basictarget TARGET does not accept a parameter" unless $param eq '';
     }
 
diff --git a/docs/Actions.xml b/docs/Actions.xml
index 0860eca37..a68797ae7 100644
--- a/docs/Actions.xml
+++ b/docs/Actions.xml
@@ -394,6 +394,13 @@ REDIRECT       net     -       tcp     80      -       1.2.3.4</programlisting>
 
       <para>In the above example, $2 would expand to nothing.</para>
 
+      <para>Beginning with Shorewall 4.5.13, completely omitting a arameter is
+      equivalent to passing '-'.</para>
+
+      <para>Example: ACTION(REDIRECT,,info)</para>
+
+      <para>This example behaves the same as the one shown above.</para>
+
       <para>If you want to make '-' a parameter value, use '--' (e.g.,
       ACTION(REDIRECT,--.info)).</para>
 
@@ -407,10 +414,6 @@ REDIRECT       net     -       tcp     80      -       1.2.3.4</programlisting>
       for the second parameter and so on. You can specify an empty default
       using '-' (e.g. DEFAULTS DROP,-,audit).</para>
 
-      <para>The DEFAULTS directive also determines the maximum number of
-      parameters that an action may have. If more parameters are passed than
-      have default values, an error message is issued.</para>
-
       <para>For additional information about actions, see the <ulink
       url="configuration_file_basics.htm#ActionVariables">Action Variables
       section</ulink> of the Configuration Basics article.</para>