diff --git a/changelog/985.bugfix b/changelog/985.bugfix
new file mode 100644
index 000000000..cf4c2fe2c
--- /dev/null
+++ b/changelog/985.bugfix
@@ -0,0 +1 @@
+Skip failing pdb/doctest test on mac.
\ No newline at end of file
diff --git a/testing/test_pdb.py b/testing/test_pdb.py
index 8618473bb..b286d57a8 100644
--- a/testing/test_pdb.py
+++ b/testing/test_pdb.py
@@ -267,6 +267,10 @@ class TestPDB(object):
         child.read()
         self.flush(child)
 
+    # For some reason the interaction between doctest's and pytest's output
+    # capturing mechanisms are messing up the stdout on mac. (See #985).
+    # Should be solvable, but skipping until we have a chance to investigate.
+    @pytest.mark.xfail("sys.platform == 'darwin'", reason='See issue #985', run=False)
     def test_pdb_interaction_doctest(self, testdir):
         p1 = testdir.makepyfile("""
             import pytest