diff --git a/lib/commands/run.js b/lib/commands/run.js
index e4a9f3a..3ccad26 100644
--- a/lib/commands/run.js
+++ b/lib/commands/run.js
@@ -16,6 +16,8 @@ Command.create({
   usage: 'iron run [--use-build] [--env]',
   description: 'Run your app for a given environment.'
 }, function (args, opts) {
+  var onWindows = process.platform === "win32";
+
   if (!this.findProjectDirectory())
     throw new Command.MustBeInProjectError;
 
@@ -37,7 +39,8 @@ Command.create({
   }
 
   // source the env file into the process environment
-  if (this.isFile(envPath)) {
+  // BUT this doesn't work on Windows
+  if (!onWindows && this.isFile(envPath)) {
     syncSource(envPath);
   }
 
diff --git a/package.json b/package.json
index 7bc5bee..b7abc3b 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "ejs": "0.8.5",
     "fibers": "1.0.6",
     "single-line-log": "0.4.1",
-    "shell-source": "1.0.1",
+    "shell-source": "1.1.0",
     "xtend": "^4.0.0"
   },
   "bin": {