diff --git a/borg/archiver.py b/borg/archiver.py
index 98f2a0e41..a75bef9ec 100644
--- a/borg/archiver.py
+++ b/borg/archiver.py
@@ -438,7 +438,7 @@ def do_list(self, args):
                             pass
                     try:
                         mtime = datetime.fromtimestamp(bigint_to_int(item[b'mtime']) / 1e9)
-                    except ValueError:
+                    except OverflowError:
                         # likely a broken mtime and datetime did not want to go beyond year 9999
                         mtime = datetime(9999, 12, 31, 23, 59, 59)
                     if b'source' in item:
diff --git a/setup.py b/setup.py
index b7a43daa2..2ba2de475 100644
--- a/setup.py
+++ b/setup.py
@@ -211,7 +211,7 @@ def run(self):
     Extension('borg.chunker', [chunker_source]),
     Extension('borg.hashindex', [hashindex_source])
 ]
-    if sys.platform.startswith('linux'):
+    if sys.platform == 'linux':
         ext_modules.append(Extension('borg.platform_linux', [platform_linux_source], libraries=['acl']))
     elif sys.platform.startswith('freebsd'):
         ext_modules.append(Extension('borg.platform_freebsd', [platform_freebsd_source]))