diff --git a/ocrmypdf/main.py b/ocrmypdf/main.py
index 5a52cec2..b376bf51 100755
--- a/ocrmypdf/main.py
+++ b/ocrmypdf/main.py
@@ -729,11 +729,13 @@ def generate_postscript_stub(
     pdf = pypdf.PdfFileReader(input_file)
 
     def from_document_info(key):
-        # pdf.documentInfo.get() DOES NOT work as expected
+        # pdf.documentInfo.get() DOES NOT behave as expected for a dict-like
+        # object, so call with precautions.  TypeError may occur if the PDF
+        # is missing the optional document info section.
         try:
             s = pdf.documentInfo[key]
             return str(s)
-        except KeyError:
+        except (KeyError, TypeError):
             return ''
 
     pdfmark = {
diff --git a/tests/resources/NOTE.rst b/tests/resources/NOTE.rst
index 9c069dba..a3c2d5a2 100644
--- a/tests/resources/NOTE.rst
+++ b/tests/resources/NOTE.rst
@@ -4,29 +4,31 @@ copyright reasons.
 Test files do not necessarily produce perfect (or even good) OCR
 results.
 
-+-------------------+--------------------------------------------------------------------------------+
-| File              | Source                                                                         |
-+===================+================================================================================+
-| graph.pdf         | Wikimedia                                                                      |
-+-------------------+--------------------------------------------------------------------------------+
-| c02-22.pdf        | Project Gutenberg: https://www.gutenberg.org/files/76/76-h/images/c02-22.jpg   |
-+-------------------+--------------------------------------------------------------------------------+
-| LinnSequencer.jpg | Wikimedia_                                                                     |
-+-------------------+--------------------------------------------------------------------------------+
-| congress.jpg      | http://www.baxleystamps.com/litho/meiji/courts_1871.jpg                        |
-+-------------------+--------------------------------------------------------------------------------+
-| blank.pdf         | Blank page from Adobe Illustrator CC 2015                                      |
-+-------------------+--------------------------------------------------------------------------------+
-| enormous.pdf      | PNG file saved to PDF using img2pdf                                            |
-+-------------------+--------------------------------------------------------------------------------+
-| invalid.pdf       | PDF file header followed by EOF marker; not valid                              |
-+-------------------+--------------------------------------------------------------------------------+
-| multipage.pdf     | several other files concatenated                                               |
-+-------------------+--------------------------------------------------------------------------------+
-| skew.pdf          | skewed version of c02-22.PDF                                                   |
-+-------------------+--------------------------------------------------------------------------------+
-| Test_Issue_28.pdf | file with some syntax errors                                                   |
-+-------------------+--------------------------------------------------------------------------------+
++---------------------+--------------------------------------------------------------------------------+
+| File                | Source                                                                         |
++=====================+================================================================================+
+| graph.pdf           | Wikimedia                                                                      |
++---------------------+--------------------------------------------------------------------------------+
+| c02-22.pdf          | Project Gutenberg: https://www.gutenberg.org/files/76/76-h/images/c02-22.jpg   |
++---------------------+--------------------------------------------------------------------------------+
+| LinnSequencer.jpg   | Wikimedia_                                                                     |
++---------------------+--------------------------------------------------------------------------------+
+| congress.jpg        | http://www.baxleystamps.com/litho/meiji/courts_1871.jpg                        |
++---------------------+--------------------------------------------------------------------------------+
+| blank.pdf           | Blank page from Adobe Illustrator CC 2015                                      |
++---------------------+--------------------------------------------------------------------------------+
+| enormous.pdf        | PNG file saved to PDF using img2pdf                                            |
++---------------------+--------------------------------------------------------------------------------+
+| invalid.pdf         | PDF file header followed by EOF marker; not valid                              |
++---------------------+--------------------------------------------------------------------------------+
+| multipage.pdf       | several other files concatenated                                               |
++---------------------+--------------------------------------------------------------------------------+
+| skew.pdf            | skewed version of c02-22.PDF                                                   |
++---------------------+--------------------------------------------------------------------------------+
+| Test_Issue_28.pdf   | file with some syntax errors                                                   |
++---------------------+--------------------------------------------------------------------------------+
+| missing_docinfo.pdf | file missing its DocumentInfo dictionary                                       |
++---------------------+--------------------------------------------------------------------------------+ 
 
 
 .. _Wikimedia: https://upload.wikimedia.org/wikipedia/en/b/b7/LinnSequencer_hardware_MIDI_sequencer_brochure_page_2_300dpi.jpg
\ No newline at end of file
diff --git a/tests/resources/missing_docinfo.pdf b/tests/resources/missing_docinfo.pdf
new file mode 100644
index 00000000..0525e9e9
Binary files /dev/null and b/tests/resources/missing_docinfo.pdf differ
diff --git a/tests/test_main.py b/tests/test_main.py
index d94e0ef6..f170e1f5 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -308,3 +308,10 @@ def test_klingon():
     p, out, err = run_ocrmypdf_env(
         'francais.pdf', 'francais.pdf', '-l', 'klz')
     assert p.returncode == ExitCode.bad_args
+
+
+def test_missing_docinfo():
+    p, out, err = run_ocrmypdf_env(
+        'missing_docinfo.pdf', 'missing_docinfo.pdf', '-l', 'eng')
+    assert p.returncode == ExitCode.ok, err
+