diff --git a/i3pystatus/network.py b/i3pystatus/network.py
index 57cbf53..7059873 100644
--- a/i3pystatus/network.py
+++ b/i3pystatus/network.py
@@ -200,11 +200,11 @@ class NetworkTraffic():
 
     def get_rx_tot_Mbytes(self, interface):
         with open("/sys/class/net/{}/statistics/rx_bytes".format(interface)) as f:
-            return int(f.readline().split('\n')[0])/(1024 * 1024)
+            return int(f.readline().split('\n')[0]) / (1024 * 1024)
 
     def get_tx_tot_Mbytes(self, interface):
         with open("/sys/class/net/{}/statistics/tx_bytes".format(interface)) as f:
-            return int(f.readline().split('\n')[0])/(1024 * 1024)
+            return int(f.readline().split('\n')[0]) / (1024 * 1024)
 
     def get_usage(self, interface):
         self.update_counters(interface)