diff --git a/plugins/convention/src/main/java/org/apache/struts2/convention/PackageBasedActionConfigBuilder.java b/plugins/convention/src/main/java/org/apache/struts2/convention/PackageBasedActionConfigBuilder.java
index 59472a66d..15b27f49b 100644
--- a/plugins/convention/src/main/java/org/apache/struts2/convention/PackageBasedActionConfigBuilder.java
+++ b/plugins/convention/src/main/java/org/apache/struts2/convention/PackageBasedActionConfigBuilder.java
@@ -301,7 +301,7 @@ public class PackageBasedActionConfigBuilder implements ActionConfigBuilder {
         Set<Class> classes = new HashSet<Class>();
         try {
             if (actionPackages != null || (packageLocators != null && !disablePackageLocatorsScanning)) {
-                ClassFinder finder = new ClassFinder(getClassLoaderForFinder(), buildUrlSet().getUrls(), true);
+                ClassFinder finder = new ClassFinder(getClassLoaderForFinder(), buildUrlSet().getUrls(), true, this.fileProtocols);
 
                 // named packages
                 if (actionPackages != null) {