diff --git a/borgmatic/borg/list.py b/borgmatic/borg/list.py
index dca73393..4bc24f7d 100644
--- a/borgmatic/borg/list.py
+++ b/borgmatic/borg/list.py
@@ -1,7 +1,5 @@
 import logging
 import subprocess
-import sys
-import tempfile
 
 from borgmatic.verbosity import VERBOSITY_SOME, VERBOSITY_LOTS
 
@@ -29,7 +27,5 @@ def list_archives(verbosity, repository, storage_config, local_path='borg', remo
 
     logger.debug(' '.join(full_command))
 
-    with tempfile.TemporaryFile() as f_output:
-        subprocess.check_call(full_command, stdout=f_output)
-        f_output.seek(0)
-        return f_output.read().decode()
+    output = subprocess.check_output(full_command)
+    return output.decode() if output is not None else None
diff --git a/borgmatic/tests/unit/borg/test_list.py b/borgmatic/tests/unit/borg/test_list.py
index f0e178da..48bd095a 100644
--- a/borgmatic/tests/unit/borg/test_list.py
+++ b/borgmatic/tests/unit/borg/test_list.py
@@ -8,7 +8,7 @@ from borgmatic.verbosity import VERBOSITY_SOME, VERBOSITY_LOTS
 
 def insert_subprocess_mock(check_call_command, **kwargs):
     subprocess = flexmock(module.subprocess)
-    subprocess.should_receive('check_call').with_args(check_call_command, stdout=object, **kwargs).once()
+    subprocess.should_receive('check_output').with_args(check_call_command, **kwargs).once()
 
 
 LIST_COMMAND = ('borg', 'list', 'repo')