diff --git a/src/ocLazyLoad.loaders.common.js b/src/ocLazyLoad.loaders.common.js
index 9daebab..18daa51 100644
--- a/src/ocLazyLoad.loaders.common.js
+++ b/src/ocLazyLoad.loaders.common.js
@@ -96,9 +96,9 @@
                         } else if(ua.indexOf("android") > -1) { // Android < 4.4
                             var androidVersion = parseFloat(ua.slice(ua.indexOf("android") + 8));
                             useCssLoadPatch = androidVersion < 4.4;
-                        } else if(ua.indexOf('safari') > -1 && ua.indexOf('chrome') == -1 && ua.indexOf('phantomjs') == -1) {
-                            var safariVersion = parseFloat(ua.match(/version\/([\.\d]+)/i)[1]);
-                            useCssLoadPatch = safariVersion < 6;
+                        } else if(ua.indexOf('safari') > -1) {
+                            var versionMatch = ua.match(/version\/([\.\d]+)/i);
+                            useCssLoadPatch = (versionMatch && versionMatch[1] && parseFloat(versionMatch[1]) < 6);
                         }
                     }