diff --git a/plinth/modules/backups/errors.py b/plinth/modules/backups/errors.py
index 70d4f0601..2792f6741 100644
--- a/plinth/modules/backups/errors.py
+++ b/plinth/modules/backups/errors.py
@@ -33,3 +33,7 @@ class BorgArchiveDoesNotExist(BorgError):
 
 class BorgBusy(BorgError):
     """Borg could not acquire lock being busy with another operation."""
+
+
+class BorgNoSpace(BorgError):
+    """There is not enough space left on the device to perform operation."""
diff --git a/plinth/modules/backups/privileged.py b/plinth/modules/backups/privileged.py
index bc3cf6b02..2a8118978 100644
--- a/plinth/modules/backups/privileged.py
+++ b/plinth/modules/backups/privileged.py
@@ -87,6 +87,11 @@ KNOWN_ERRORS = [
         'message': _('Backup system is busy with another operation.'),
         'raise_as': errors.BorgBusy,
     },
+    {
+        'errors': ['No space left on device'],
+        'message': _('Not enough space left on the disk or remote location.'),
+        'raise_as': errors.BorgNoSpace,
+    },
 ]