diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index e0aceadf..e08f2e92 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -160,6 +160,7 @@
                 java.nio.file.OpenOption
                 java.nio.charset.Charset
                 java.nio.charset.CoderResult
+                java.nio.charset.CharsetEncoder
                 java.nio.charset.StandardCharsets
                 java.nio.file.CopyOption
                 java.nio.file.DirectoryNotEmptyException