diff --git a/src/babashka/impl/clojure/core.clj b/src/babashka/impl/clojure/core.clj
index 80d66308..3a2f90ca 100644
--- a/src/babashka/impl/clojure/core.clj
+++ b/src/babashka/impl/clojure/core.clj
@@ -22,7 +22,8 @@
                   "with-open only allows Symbols in bindings"))))
 
 (def core-extras
-  {'future-call future-call
+  {'file-seq file-seq
+   'future-call future-call
    'future (with-meta future {:sci/macro true})
    'future-cancel future-cancel
    'future-cancelled? future-cancelled?