diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index dc1c725e..9e8e1792 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -549,6 +549,7 @@
                       java.lang.LinkageError
                       java.lang.ThreadDeath
                       java.lang.VirtualMachineError
+                      java.net.URLClassLoader
                       java.sql.Timestamp
                       java.util.concurrent.TimeoutException
                       java.util.Collection