diff --git a/src/propeller/problems/regression/integer_regression.cljc b/src/propeller/problems/regression/integer_regression.cljc
index a3fbb54..193cbb1 100644
--- a/src/propeller/problems/regression/integer_regression.cljc
+++ b/src/propeller/problems/regression/integer_regression.cljc
@@ -62,6 +62,21 @@
        :total-error #?(:clj  (apply +' errors)
                        :cljs (apply + errors))))))
 
+(def integer-argmap
+  {:instructions             instructions
+   :error-function           error-function
+   :training-data            (:train train-and-test-data)
+   :testing-data             (:test train-and-test-data)
+   :max-generations          300
+   :population-size          1000
+   :max-initial-plushy-size  5
+   :step-limit               200
+   :parent-selection         :lexicase
+   :tournament-size          5
+   :umad-rate                0.1
+   :variation                {:umad 1.0 :crossover 0.0}
+   :elitism                  false})
+
 (defn -main
   "Runs the top-level genetic programming function, giving it a map of 
   arguments with defaults that can be overridden from the command line
@@ -69,17 +84,5 @@
   [& args]
   (gp/gp
     (merge
-      {:instructions             instructions
-       :error-function           error-function
-       :training-data            (:train train-and-test-data)
-       :testing-data             (:test train-and-test-data)
-       :max-generations          300
-       :population-size          1000
-       :max-initial-plushy-size  100
-       :step-limit               200
-       :parent-selection         :lexicase
-       :tournament-size          5
-       :umad-rate                0.1
-       :variation                {:umad 1.0 :crossover 0.0}
-       :elitism                  false}
-      (apply hash-map (map #(if (string? %) (read-string %) %) args)))))
+     integer-argmap
+     (apply hash-map (map #(if (string? %) (read-string %) %) args)))))