diff --git a/Shorewall/Perl/Shorewall/Compiler.pm b/Shorewall/Perl/Shorewall/Compiler.pm
index 3f620765b..c1dd2e83f 100644
--- a/Shorewall/Perl/Shorewall/Compiler.pm
+++ b/Shorewall/Perl/Shorewall/Compiler.pm
@@ -293,7 +293,7 @@ sub generate_script_2() {
 
 	emit ( 'esac' ) ,
     } else {
-	emit( 'true' );
+	emit( 'true' ) unless handle_optional_interfaces;
     }
 
     pop_indent;
diff --git a/Shorewall/Perl/Shorewall/Providers.pm b/Shorewall/Perl/Shorewall/Providers.pm
index 049875686..59d60f812 100644
--- a/Shorewall/Perl/Shorewall/Providers.pm
+++ b/Shorewall/Perl/Shorewall/Providers.pm
@@ -826,6 +826,8 @@ sub handle_optional_interfaces() {
 		  "    ${base}_IS_USABLE=" ,
 		  'fi' );
 	}
+
+	1;
     }
 }
 
diff --git a/Shorewall/changelog.txt b/Shorewall/changelog.txt
index 732b8337b..f9ae6094c 100644
--- a/Shorewall/changelog.txt
+++ b/Shorewall/changelog.txt
@@ -26,6 +26,8 @@ Changes in Shorewall 4.4.3
 
 13)  Correct messages issued when an optional provider is not usable.
 
+14)  Fix optional interfaces.
+
 Changes in Shorewall 4.4.2
 
 1)  BUGFIX: Correct detection of Persistent SNAT support
diff --git a/Shorewall/releasenotes.txt b/Shorewall/releasenotes.txt
index ac5a25e0c..0e19a10e3 100644
--- a/Shorewall/releasenotes.txt
+++ b/Shorewall/releasenotes.txt
@@ -207,6 +207,9 @@ Shorewall 4.4.3
     (<number>) not Added") was being issued when the provider did share
     an interface.
 
+7)  Under certain circumstances, optional providers were not detected
+    as being usable.
+
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