diff --git a/src/babashka/impl/classes.clj b/src/babashka/impl/classes.clj
index 9907d39d..fbc2b0d4 100644
--- a/src/babashka/impl/classes.clj
+++ b/src/babashka/impl/classes.clj
@@ -92,6 +92,7 @@
           java.io.ByteArrayOutputStream
           java.io.Console
           java.io.File
+          java.io.FileInputStream
           java.io.FileFilter
           java.io.FilenameFilter
           java.io.FileNotFoundException