diff --git a/pywalt/pywalt/walt.py b/pywalt/pywalt/walt.py
index f57b533..46b29d6 100644
--- a/pywalt/pywalt/walt.py
+++ b/pywalt/pywalt/walt.py
@@ -136,7 +136,7 @@ def sndrcv(self, data):
 
     def read_shock_time(self):
         dt, s = self.sndrcv(Walt.CMD_GSHOCK)
-        t_us = int(s.strip())
+        t_us = int(s)
         return t_us