module-return.patch

diff --git a/lib/module.js b/lib/module.js
index f6f6285..ea5a18f 100644
--- a/lib/module.js
+++ b/lib/module.js
@@ -440,8 +440,22 @@ Module.prototype._compile = function(content, filename) {
       global.v8debug.Debug.setBreakPoint(compiledWrapper, 0, 0);
     }
   }
-  var args = [self.exports, require, self, filename, dirname];
-  return compiledWrapper.apply(self.exports, args);
+  var exports = self.exports;
+  var args = [exports, require, self, filename, dirname];
+  var ret = compiledWrapper.apply(self.exports, args);
+
+  // if the wrapper returns a value, and has not already
+  // set module.exports to something different, and has not
+  // added any keys to exports, then use the return value as
+  // the exported module result.
+  if (ret !== undefined && self.exports === exports &&
+      Object.keys(exports).length === 0) {
+    self.exports = ret;
+  }
+
+  // always return the return of the compilation.
+  // this is needed for node --eval
+  return ret;
 };