diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 7d6c318397be9..ed35a307c9600 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -1112,10 +1112,13 @@ def __init__(self, cw, family, ku_space, op, op_mode, attr_set=None):
 
         # 'do' and 'dump' response parsing is identical
         self.type_consistent = True
-        if op_mode != 'do' and 'dump' in op and 'do' in op:
-            if ('reply' in op['do']) != ('reply' in op["dump"]):
-                self.type_consistent = False
-            elif 'reply' in op['do'] and op["do"]["reply"] != op["dump"]["reply"]:
+        if op_mode != 'do' and 'dump' in op:
+            if 'do' in op:
+                if ('reply' in op['do']) != ('reply' in op["dump"]):
+                    self.type_consistent = False
+                elif 'reply' in op['do'] and op["do"]["reply"] != op["dump"]["reply"]:
+                    self.type_consistent = False
+            else:
                 self.type_consistent = False
 
         self.attr_set = attr_set