diff --git a/ryu/lib/ofctl_v1_2.py b/ryu/lib/ofctl_v1_2.py
index da300f77..21a3e340 100644
--- a/ryu/lib/ofctl_v1_2.py
+++ b/ryu/lib/ofctl_v1_2.py
@@ -822,7 +822,7 @@ def mod_group_entry(dp, group, cmd):
                     'INDIRECT': dp.ofproto.OFPGT_INDIRECT,
                     'FF': dp.ofproto.OFPGT_FF}
 
-    type_ = type_convert.get(group.get('type'))
+    type_ = type_convert.get(group.get('type', 'ALL'))
     if type_ is None:
         LOG.debug('Unknown type: %s', group.get('type'))
 
diff --git a/ryu/lib/ofctl_v1_3.py b/ryu/lib/ofctl_v1_3.py
index b60c4cc0..11673247 100644
--- a/ryu/lib/ofctl_v1_3.py
+++ b/ryu/lib/ofctl_v1_3.py
@@ -1002,7 +1002,7 @@ def mod_group_entry(dp, group, cmd):
                     'INDIRECT': dp.ofproto.OFPGT_INDIRECT,
                     'FF': dp.ofproto.OFPGT_FF}
 
-    type_ = type_convert.get(group.get('type'))
+    type_ = type_convert.get(group.get('type', 'ALL'))
     if type_ is None:
         LOG.debug('Unknown type: %s', group.get('type'))