diff --git a/pubs/commands/tag_cmd.py b/pubs/commands/tag_cmd.py
index 3f700ee..c5b2ae2 100644
--- a/pubs/commands/tag_cmd.py
+++ b/pubs/commands/tag_cmd.py
@@ -83,12 +83,12 @@ def command(args):
     rp = Repository(config())
 
     if citekeyOrTag is None:
-        ui.print_(color.dye(' '.join(rp.get_tags()), color=color.blue))
+        ui.print_(color.dye(' '.join(sorted(rp.get_tags())), color=color.blue))
     else:
         if rp.databroker.exists(citekeyOrTag):
             p = rp.pull_paper(citekeyOrTag)
             if tags == []:
-                ui.print_(color.dye(' '.join(p.tags),
+                ui.print_(color.dye(' '.join(sorted(p.tags)),
                           color=color.blue))
             else:
                 add_tags, remove_tags = _tag_groups(_parse_tags(tags))
diff --git a/pubs/pretty.py b/pubs/pretty.py
index bc3a333..bd45872 100644
--- a/pubs/pretty.py
+++ b/pubs/pretty.py
@@ -56,6 +56,6 @@ def paper_oneliner(p, citekey_only = False):
         return u'[{citekey}] {descr} {tags}'.format(
             citekey=color.dye(p.citekey, color.purple),
             descr=bibdesc,
-            tags=color.dye(' '.join(p.tags),
+            tags=color.dye(' '.join(sorted(p.tags)),
                            color.tag, bold=False),
             )
diff --git a/tests/test_usecase.py b/tests/test_usecase.py
index 6964305..3e82b7b 100644
--- a/tests/test_usecase.py
+++ b/tests/test_usecase.py
@@ -246,13 +246,13 @@ class TestList(DataCommandTestCase):
 class TestUsecase(DataCommandTestCase):
 
     def test_first(self):
-        correct = [b'Initializing pubs in /paper_first\n',
-                   b'',
-                   b'[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) \n',
-                   b'\n',
-                   b'',
-                   b'search network\n',
-                   b'[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) search network\n'
+        correct = ['Initializing pubs in /paper_first\n',
+                   '',
+                   '[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) \n',
+                   '\n',
+                   '',
+                   'network search\n',
+                   '[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) network search\n'
                   ]
 
         cmds = ['pubs init -p paper_first/',