diff --git a/offlineimap/utils/distro.py b/offlineimap/utils/distro.py
index 8030b59..d96e033 100644
--- a/offlineimap/utils/distro.py
+++ b/offlineimap/utils/distro.py
@@ -26,6 +26,7 @@ __DEF_OS_LOCATIONS = {
     'linux-redhat': '/etc/pki/tls/certs/ca-bundle.crt',
     'linux-suse': '/etc/ssl/ca-bundle.pem',
     'linux-opensuse': '/etc/ssl/ca-bundle.pem',
+    'linux-arch': '/etc/ssl/certs/ca-certificates.crt',
 }