diff --git a/src/fenrir/speechDriver/espeak.py b/src/fenrir/speechDriver/espeak.py
index 7d9bef65..b9457852 100644
--- a/src/fenrir/speechDriver/espeak.py
+++ b/src/fenrir/speechDriver/espeak.py
@@ -62,7 +62,7 @@ class driver():
     def setRate(self, rate):
         if not self._isInitialized:
             return False
-        return self._es.set_parameter(self._es.Parameter().Rate, int(rate*450 + 80))
+        return self._es.set_parameter(self._es.Parameter().Rate, int(rate * 500 + 100))
 
     def setModule(self, module):
         if not self._isInitialized: