diff --git a/src/babashka/impl/reify.clj b/src/babashka/impl/reify.clj
index 4a886238..f9f5895a 100644
--- a/src/babashka/impl/reify.clj
+++ b/src/babashka/impl/reify.clj
@@ -120,7 +120,8 @@
      equiv [[this x]]}
 
     clojure.lang.IReduce
-    {reduce [[this f]]}
+    {reduce [[this f]
+             [this f initial]]}
 
     clojure.lang.IReduceInit
     {reduce [[this f initial]]}