diff --git a/pyttsx/drivers/nsss.py b/pyttsx/drivers/nsss.py
index 4f23daf..49ecaa3 100644
--- a/pyttsx/drivers/nsss.py
+++ b/pyttsx/drivers/nsss.py
@@ -15,6 +15,7 @@
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 '''
+from objc import super
 from Foundation import *
 from AppKit import NSSpeechSynthesizer
 from PyObjCTools import AppHelper
@@ -112,4 +113,4 @@ def speechSynthesizer_didFinishSpeaking_(self, tts, success):
 
     def speechSynthesizer_willSpeakWord_ofString_(self, tts, rng, text):
         self._proxy.notify('started-word', location=rng.location,
-            length=rng.length)
\ No newline at end of file
+            length=rng.length)