diff --git a/plugin/src/leiningen/cljsbuild/subproject.clj b/plugin/src/leiningen/cljsbuild/subproject.clj
index 0cb9e182..7faf9dd0 100644
--- a/plugin/src/leiningen/cljsbuild/subproject.clj
+++ b/plugin/src/leiningen/cljsbuild/subproject.clj
@@ -92,7 +92,7 @@
                      (:source-paths project)
                      (mapcat :source-paths builds)
                      [crossover-path])
-     :jvm-opts ["-Xmx256m"]
+     :jvm-opts (:jvm-opts project)
      :resource-paths (:resource-paths project)
      :checkout-deps-shares (:checkout-deps-shares project)
      :eval-in (:eval-in project)}