diff --git a/simple_backup/simple_backup.py b/simple_backup/simple_backup.py
index 18f8893..15fec5d 100755
--- a/simple_backup/simple_backup.py
+++ b/simple_backup/simple_backup.py
@@ -177,7 +177,14 @@ class Backup:
             self._remote = True
 
         if self._remote:
-            self._ssh = self._ssh_connect(homedir)
+            try:
+                self._ssh = self._ssh_connect(homedir)
+            except OSError as e:
+                # Unknown hostname, connection refused, unreachable host or timeout
+                logger.critical('Can\'t connect to the server %s', self.ssh_host)
+                logger.critical(e)
+
+                return 5
 
             if self._ssh is None:
                 return 5