diff --git a/core/src/main/java/lucee/commons/lang/PhysicalClassLoader.java b/core/src/main/java/lucee/commons/lang/PhysicalClassLoader.java
index 6f01c57355..8039f6790b 100644
--- a/core/src/main/java/lucee/commons/lang/PhysicalClassLoader.java
+++ b/core/src/main/java/lucee/commons/lang/PhysicalClassLoader.java
@@ -244,6 +244,7 @@ protected Class<?> findClass(String name) throws ClassNotFoundException {
 
 		synchronized (SystemUtil.createToken("pcl", name)) {
 			Resource res = directory.getRealResource(name.replace('.', '/').concat(".class"));
+			if (!res.isFile()) throw new ClassNotFoundException("Class [" + name + "] is invalid or doesn't exist");
 
 			ByteArrayOutputStream baos = new ByteArrayOutputStream();
 			try {
diff --git a/loader/build.xml b/loader/build.xml
index 7cbc3c0059..a8c8b3c5ee 100644
--- a/loader/build.xml
+++ b/loader/build.xml
@@ -2,7 +2,7 @@
 <project default="core" basedir="." name="Lucee" 
   xmlns:resolver="antlib:org.apache.maven.resolver.ant">
 
-  <property name="version" value="6.2.0.115-SNAPSHOT"/>
+  <property name="version" value="6.2.0.116-SNAPSHOT"/>
 
   <taskdef uri="antlib:org.apache.maven.resolver.ant" resource="org/apache/maven/resolver/ant/antlib.xml">
     <classpath>
diff --git a/loader/pom.xml b/loader/pom.xml
index 6869d4d63d..1455347ed9 100644
--- a/loader/pom.xml
+++ b/loader/pom.xml
@@ -3,7 +3,7 @@
 
   <groupId>org.lucee</groupId>
   <artifactId>lucee</artifactId>
-  <version>6.2.0.115-SNAPSHOT</version>
+  <version>6.2.0.116-SNAPSHOT</version>
   <packaging>jar</packaging>
 
   <name>Lucee Loader Build</name>