diff --git a/src/propeller/variation.cljc b/src/propeller/variation.cljc
index 5aa3c08..d42d95f 100644
--- a/src/propeller/variation.cljc
+++ b/src/propeller/variation.cljc
@@ -383,4 +383,4 @@ The function `new-individual` returns a new individual produced by selection and
        :else
        (throw #?(:clj  (Exception. (str "No match in new-individual for " op))
                  :cljs (js/Error
-                        (str "No match in new-individual for " op))))))})
+                        (str "No match in new-individual for " op))))))}))
\ No newline at end of file