diff --git a/src/babashka/process.cljc b/src/babashka/process.cljc
index 44f4bab..0a31abc 100644
--- a/src/babashka/process.cljc
+++ b/src/babashka/process.cljc
@@ -199,7 +199,7 @@
 
                       :else
                       (fs/which program))]
-    resolved
+    (str resolved)
     (throw (ex-info (str "Cannot resolve program: " program) {}))))
 
 (defn ^:no-doc default-program-resolver