diff --git a/spring-cloud-function-deployer-new/src/main/java/org/springframework/cloud/function/deployer/ExternalFunctionJarLauncher.java b/spring-cloud-function-deployer-new/src/main/java/org/springframework/cloud/function/deployer/ExternalFunctionJarLauncher.java
index 507f8f832..d05d86936 100644
--- a/spring-cloud-function-deployer-new/src/main/java/org/springframework/cloud/function/deployer/ExternalFunctionJarLauncher.java
+++ b/spring-cloud-function-deployer-new/src/main/java/org/springframework/cloud/function/deployer/ExternalFunctionJarLauncher.java
@@ -109,7 +109,7 @@ class ExternalFunctionJarLauncher extends JarLauncher {
 		 * While LaunchedURLClassLoader is completely disconnected with the current
 		 * class loader, this will still allow it to see FunctionContextUtils
 		 */
-		return new ClassLoader(new LaunchedURLClassLoader(urls, null)) {
+		return new ClassLoader(new LaunchedURLClassLoader(urls, getClass().getClassLoader().getParent())) {
 			boolean functionContextUtilsLoaded;
 
 			@Override