diff -Nrup a/duplicity/gpginterface.py b/duplicity/gpginterface.py
--- a/duplicity/gpginterface.py	2019-04-27 18:52:48.000000000 +0200
+++ b/duplicity/gpginterface.py	2019-07-13 09:23:34.956494708 +0200
@@ -284,7 +284,7 @@ class GnuPG(object):
     """
 
     def __init__(self):
-        self.call = u'gpg'
+        self.call = u'gpg2'
         self.passphrase = None
         self.options = Options()