diff --git a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/ResolverUtil.java b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/ResolverUtil.java
index 14bf1e8..898b321 100644
--- a/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/ResolverUtil.java
+++ b/log4j-core/src/main/java/org/apache/logging/log4j/core/config/plugins/util/ResolverUtil.java
@@ -201,7 +201,11 @@ public class ResolverUtil {
                 } else if (VFS.equals(url.getProtocol())) {
                     final String path = urlPath.substring(1, urlPath.length() - packageName.length() - 2);
                     final File file = new File(path);
-                    loadImplementationsInJar(test, packageName, file);
+                    if (file.isDirectory()) {
+                        loadImplementationsInDirectory(test, null, file);
+                    } else {
+                        loadImplementationsInJar(test, packageName, file);
+                    }
                 } else if (BUNDLE_RESOURCE.equals(url.getProtocol())) {
                     loadImplementationsInBundle(test, packageName);
                 } else {