diff --git a/test/regression.py b/test/regression.py
index c950fd43..f41a23b7 100755
--- a/test/regression.py
+++ b/test/regression.py
@@ -126,6 +126,14 @@ class TestRegression(TestBase):
         defs = self.definition_when_in_function_call('f(', ')')
         self.assertEqual(defs[0].description, 'def f')
 
+    def test_definition_when_in_function_call_empty_paren_pre_space(self):
+        defs = self.definition_when_in_function_call('f( ', ')')
+        self.assertEqual(defs[0].description, 'def f')
+
+    def test_definition_when_in_function_call_empty_paren_post_space(self):
+        defs = self.definition_when_in_function_call('f(', ' )')
+        self.assertEqual(defs[0].description, 'def f')
+
     def test_function_call_signature(self):
         defs = self.definition("""
         def f(x, y=1, z='a'):