diff --git a/pyzabbix/sender.py b/pyzabbix/sender.py
index 250c3ab..47278a2 100644
--- a/pyzabbix/sender.py
+++ b/pyzabbix/sender.py
@@ -409,7 +409,7 @@ def _chunk_send(self, metrics):
                 connection.sendall(packet)
             except socket.timeout:
                 logger.error('Sending failed: Connection to %s timed out after'
-                             '%d seconds', host_addr, self.timeout)
+                             ' %d seconds', host_addr, self.timeout)
                 connection.close()
                 raise socket.timeout
             except socket.error as err: