diff --git a/lib/less/browser.js b/lib/less/browser.js
index d7f53646..b7de8be8 100644
--- a/lib/less/browser.js
+++ b/lib/less/browser.js
@@ -217,8 +217,13 @@ function createCSS(styles, sheet, lastModified) {
     // Don't update the local store if the file wasn't modified
     if (lastModified && cache) {
         log('saving ' + href + ' to cache.');
-        cache.setItem(href, styles);
-        cache.setItem(href + ':timestamp', lastModified);
+        try {
+            cache.setItem(href, styles);
+            cache.setItem(href + ':timestamp', lastModified);
+        } catch(e) {
+            //TODO - could do with adding more robust error handling
+            log('failed to save');
+        }
     }
 }