diff --git a/django_pdb/utils.py b/django_pdb/utils.py
index 56ff28d..27cb1c7 100644
--- a/django_pdb/utils.py
+++ b/django_pdb/utils.py
@@ -8,13 +8,11 @@ def has_ipdb():
 
 
 def get_ipdb():
-    def_colors = get_def_colors()
     try:
-        import ipdb
-        from ipdb import __main__
-        return ipdb.__main__.Pdb(def_colors)
+        import ipdb.__main__
+        return ipdb.__main__._init_pdb()
     except ImportError:  # old versions of ipdb
-        return ipdb.Pdb(def_colors)
+        return ipdb.Pdb(get_def_colors())
 
 
 def get_pdb_set_trace():