diff --git a/mac/utils.py b/mac/utils.py
index 241f0c0..f477b07 100644
--- a/mac/utils.py
+++ b/mac/utils.py
@@ -18,11 +18,13 @@ def running_browsers():
     if re.search(b'Firefox\.app', ps) is not None:
         running_browsers.append('firefox')
 
-    if re.search(b'Safari.app\/Contents\/MacOS\/Safari\ ', ps) is not None:
-        running_browsers.append('safari')
+    if re.search(b'com\.apple\.WebKit\.WebContent\n', ps) is not None or \
+        re.search(b'Safari.app\/Contents\/MacOS\/Safari\ ', ps) is not None:
+            running_browsers.append('safari')
 
-    if re.search(b'Safari\.app\/Contents\/MacOS\/SafariForWebKitDevelopment', ps) is not None:
-        running_browsers.append('webkit')
+    if re.search(b'com\.apple\.WebKit\.WebContent\.Development', ps) is not None or \
+        re.search(b'Safari\.app\/Contents\/MacOS\/SafariForWebKitDevelopment', ps) is not None:
+            running_browsers.append('webkit')
 
     if re.search(b'Opera\.app', ps) is not None:
         running_browsers.append('opera')