diff --git a/index.js b/index.js
index 5999c40..40c8b4b 100644
--- a/index.js
+++ b/index.js
@@ -187,6 +187,7 @@ function compilerArgsFromOptions(options, emitWarning) {
         case "warn":   return ["--warn"];
         case "debug":  return ["--debug"];
         case "docs":   return ["--docs", value]
+        case "runtimeOptions":   return ["+RTS", value, "-RTS"]
         default:
           if (supportedOptions.indexOf(opt) === -1) {
             emitWarning('Unknown Elm compiler option: ' + opt);
@@ -206,5 +207,6 @@ module.exports = {
   compileWorker: require("./worker.js")(compile),
   compileToString: compileToString,
   compileToStringSync: compileToStringSync,
-  findAllDependencies: findAllDependencies
+  findAllDependencies: findAllDependencies,
+  _prepareProcessArgs: prepareProcessArgs
 };
diff --git a/test/compile.js b/test/compile.js
index 500dfb6..f836588 100644
--- a/test/compile.js
+++ b/test/compile.js
@@ -82,6 +82,19 @@ describe("#compileToString", function() {
     });
   });
 
+  it("adds runtime options as arguments", function () {
+    var opts = {
+      yes: true,
+      verbose: true,
+      cwd: fixturesDir,
+      runtimeOptions: "-A128M -H128M -n8m"
+    };
+
+    return expect(compiler
+        ._prepareProcessArgs("a.elm", opts)
+        .join(" ")).to.equal("a.elm --yes +RTS -A128M -H128M -n8m -RTS");
+  });
+
   it("reports errors on bad syntax", function () {
     var opts = {
       yes: true,