diff --git a/pubs/config/spec.py b/pubs/config/spec.py
index b691f80..ee8579d 100644
--- a/pubs/config/spec.py
+++ b/pubs/config/spec.py
@@ -35,6 +35,9 @@ max_authors = integer(default=3)
 # the full python stack is printed.
 debug = boolean(default=False)
 
+# which bibliographic fields to exclude from bibtex files.
+bibtex_field_excludes = force_list(default=list())
+
 [formating]
 
 # Enable bold formatting, if the terminal supports it.
diff --git a/tests/str_fixtures.py b/tests/str_fixtures.py
index d2fbfec..2e79f52 100644
--- a/tests/str_fixtures.py
+++ b/tests/str_fixtures.py
@@ -138,6 +138,9 @@ edit_cmd = "vim"
 # the full python stack is printed.
 debug = False
 
+# which bibliographic fields to exclude from bibtex files.
+bibtex_field_excludes = 
+
 [formating]
 
 # Enable bold formatting, if the terminal supports it.