diff --git a/README.md b/README.md
index b206dba..1d4984e 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,13 @@ If you're using capybara-webkit with Sinatra, don't forget to set
 Capybara.app = MySinatraApp.new
 ```
 
+Offline Application Cache
+-------------------------
+
+The offline application cache needs a directory to write to for the cached files. Capybara-webkit
+will look at if the working directory has a tmp directory and when it exists offline application
+cache will be enabled.
+
 Non-Standard Driver Methods
 ---------------------------
 
diff --git a/src/WebPage.cpp b/src/WebPage.cpp
index 7dd4e11..b506423 100644
--- a/src/WebPage.cpp
+++ b/src/WebPage.cpp
@@ -40,8 +40,11 @@ WebPage::WebPage(WebPageManager *manager, QObject *parent) : QWebPage(parent) {
   settings()->setAttribute(QWebSettings::JavascriptCanOpenWindows, true);
   settings()->setAttribute(QWebSettings::JavascriptCanCloseWindows, true);
   settings()->setAttribute(QWebSettings::LocalStorageDatabaseEnabled, true);
-  settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled, true);
-  settings()->setOfflineWebApplicationCachePath("tmp");
+
+  if(QFileInfo("tmp").isDir()) {
+    settings()->setAttribute(QWebSettings::OfflineWebApplicationCacheEnabled, true);
+    settings()->setOfflineWebApplicationCachePath("tmp");
+  }
 
   createWindow();
 }