diff --git a/changelog.md b/changelog.md
index 25cc181..f3e3036 100644
--- a/changelog.md
+++ b/changelog.md
@@ -7,6 +7,8 @@
 
 ### Implemented enhancements
 
+- [(#45)](https://github.com/pubs/pubs/issues/45) Doc extension visible in pubs list ([#168](https://github.com/pubs/pubs/pull/168))
+
 
 ### Fixed bugs
 
diff --git a/pubs/pretty.py b/pubs/pretty.py
index 9e8c82c..645ef02 100644
--- a/pubs/pretty.py
+++ b/pubs/pretty.py
@@ -1,5 +1,6 @@
 from __future__ import unicode_literals
 
+import os
 import re
 
 from . import color
@@ -64,8 +65,15 @@ def paper_oneliner(p, citekey_only=False):
         return p.citekey
     else:
         bibdesc = bib_oneliner(p.bibdata)
+        doc_str = ''
+        if p.docpath is not None:
+            doc_extension = os.path.splitext(p.docpath)[1]
+            doc_str = color.dye_out(
+                ' [{}]'.format(doc_extension[1:] if len(doc_extension) > 1
+                               else 'NOEXT'),
+                'tag')
         tags = '' if len(p.tags) == 0 else '| {}'.format(
             ','.join(color.dye_out(t, 'tag') for t in sorted(p.tags)))
-        return '[{citekey}] {descr} {tags}'.format(
+        return '[{citekey}] {descr}{doc} {tags}'.format(
             citekey=color.dye_out(p.citekey, 'citekey'),
-            descr=bibdesc, tags=tags)
+            descr=bibdesc, tags=tags, doc=doc_str)
diff --git a/tests/test_usecase.py b/tests/test_usecase.py
index 43083cd..a1ab146 100644
--- a/tests/test_usecase.py
+++ b/tests/test_usecase.py
@@ -669,12 +669,12 @@ class TestUsecase(DataCommandTestCase):
         correct = ['Initializing pubs in /paper_first\n',
                    'added to pubs:\n[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) \n'
                    'data/pagerank.pdf was copied to the pubs repository.\n',
-                   '[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) \n',
+                   '[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) [pdf] \n',
                    '\n',
                    '',
                    'network search\n',
                    'info: Assuming search to be a tag.\n'
-                   '[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) | network,search\n',
+                   '[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) [pdf] | network,search\n',
                   ]
 
         cmds = ['pubs init -p /paper_first',
@@ -1001,6 +1001,24 @@ class TestUsecase(DataCommandTestCase):
         self.assertEqual(lines[1], 'Total papers: 4, 1 (25%) have a document attached')
         self.assertEqual(lines[2], 'Total tags: 3, 2 (50%) of papers have at least one tag')
 
+    def test_add_no_extension(self):
+        # This tests checks that a paper which document has no
+        # extension does not raise issues when listing. This test might
+        # be removed if decided to prevent such documents. It would then need
+        # to be replaced by a check that this is prevented.
+        self.fs.add_real_file(os.path.join(self.rootpath, 'data', 'pagerank.pdf'),
+                              target_path=os.path.join('data', 'no-ext'))
+        correct = ['Initializing pubs in /pubs\n',
+                   'added to pubs:\n[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) \n'
+                   'data/no-ext was copied to the pubs repository.\n',
+                   '[Page99] Page, Lawrence et al. "The PageRank Citation Ranking: Bringing Order to the Web." (1999) [NOEXT] \n',
+                  ]
+        cmds = ['pubs init -p /pubs',
+                'pubs add -d data/no-ext data/pagerank.bib',
+                'pubs list',
+               ]
+        self.assertEqual(correct, self.execute_cmds(cmds, capture_output=True))
+
 
 @ddt.ddt
 class TestCache(DataCommandTestCase):