diff --git a/jedi/inference/syntax_tree.py b/jedi/inference/syntax_tree.py
index 015b1b92..a3f379af 100644
--- a/jedi/inference/syntax_tree.py
+++ b/jedi/inference/syntax_tree.py
@@ -35,7 +35,7 @@ operator_to_magic_method = {
     '+': '__add__',
     '-': '__sub__',
     '*': '__mul__',
-    '/': '__div__',
+    '/': '__truediv__',
     '//': '__floordiv__',
     '%': '__mod__',
     '**': '__pow__',