diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 52c897f9..e71cb599 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -100,6 +100,8 @@
           java.io.OutputStream
           java.io.FileReader
           java.io.InputStreamReader
+          java.io.OutputStreamWriter
+          java.io.PrintStream
           java.io.PushbackInputStream
           java.io.Reader
           java.io.SequenceInputStream