diff --git a/functions.py b/functions.py
index 882a7d99..bcb570f8 100644
--- a/functions.py
+++ b/functions.py
@@ -238,7 +238,7 @@ def get_definition(source, line, column, source_path):
 
     d = set([Definition(s) for s in scopes])
     _clear_caches()
-    return d
+    return sorted(d, key=lambda x: (x.module_path, x.start_pos))
 
 
 def goto(source, line, column, source_path):
@@ -264,7 +264,7 @@ def goto(source, line, column, source_path):
 
     d = [Definition(d) for d in set(definitions)]
     _clear_caches()
-    return d
+    return sorted(d, key=lambda x: (x.module_path, x.start_pos))
 
 
 def related_names(source, line, column, source_path):
diff --git a/test/regression.py b/test/regression.py
index 1819dd42..04b395e9 100755
--- a/test/regression.py
+++ b/test/regression.py
@@ -69,11 +69,11 @@ class TestRegression(unittest.TestCase):
             assert len(r[0].doc) > 100
 
     def test_get_definition_at_zero(self):
-        assert self.get_def("a", (1, 1)) == set()
+        assert self.get_def("a", (1, 1)) == []
         s = self.get_def("str", (1, 1))
         assert len(s) == 1
         assert list(s)[0].description == 'class str'
-        assert self.get_def("", (1, 0)) == set()
+        assert self.get_def("", (1, 0)) == []
 
     def test_complete_at_zero(self):
         s = self.complete("str", (1, 3))