diff --git a/fibers.js b/fibers.js
index 8e08f14..0d1b387 100644
--- a/fibers.js
+++ b/fibers.js
@@ -1,12 +1,12 @@
 var fs = require('fs');
 
 if (fs.statSync(process.execPath).mtime >
-    fs.statSync(require.resolve('./src/fibers')).mtime) {
+    fs.statSync(__dirname + '/src/fibers')).mtime) {
   throw new Error(
     '`node` has a newer mtime than `fiber`; it is possible your build is out of date. This ' +
     'could happen if you upgrade node. Try `npm rebuild fibers` to rebuild. If that doesn\'t ' +
-    'work you could consider running `touch ' + require.resolve('./src/fibers') + '` and maybe ' +
-    'there won\'t be a problem.');
+    'work you could consider running `touch ' + __dirname + 'src/fibers` and maybe there won\'t ' +
+    'be a problem.');
 } else if (!process.env.FIBER_SHIM) {
   throw new Error(
     'Fiber support was not enabled when you ran node. To enable support for fibers, please run ' +
diff --git a/package.json b/package.json
index 2e36052..da325a4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fibers",
-  "version": "0.1.1",
+  "version": "0.1.3",
   "description": "Cooperative multi-tasking for Javascript; or, the closest thing to a thread you'll see in node",
   "keywords": ["fiber", "fibers", "coroutine", "thread", "async", "parallel", "worker"],
   "homepage": "https://github.com/laverdet/node-fibers",
diff --git a/src/platform.mk b/src/platform.mk
index 5129c76..9b5b4aa 100644
--- a/src/platform.mk
+++ b/src/platform.mk
@@ -10,6 +10,9 @@ else
   CPPFLAGS += -g -O3 -minline-all-stringops
 endif
 
+ifeq ($(NODE_BITS), )
+  CPPFLAGS += -m32
+endif
 ifeq ($(NODE_BITS), 32)
   CPPFLAGS += -m32
 endif