1 files changed, 16 insertions, 19 deletions
diff --git a/src/migration-scripts/nat66/0-to-1 b/src/migration-scripts/nat66/0-to-1
index 2bc22061d..67024cf77 100755
--- a/src/migration-scripts/nat66/0-to-1
+++ b/src/migration-scripts/nat66/0-to-1
@@ -52,25 +52,22 @@ def merge_npt(config,base,rule):
         config.set(merge_base + ['translation','prefix'],value=tmp)
 
 
-if not config.exists(['nat']):
+if not config.exists(['nat', 'nptv6']):
     # Nothing to do
     exit(0)
-else:
-    if not config.exists(['nat', 'nptv6']):
-        exit(0)
-
-    for rule in config.list_nodes(['nat', 'nptv6', 'rule']):
-        base = ['nat', 'nptv6', 'rule', rule]
-        # Merge 'nat nptv6' to 'nat66 source'
-        merge_npt(config,base,rule)
-
-    # Delete the original NPT configuration
-    config.delete(['nat','nptv6']);
-
-    try:
-        with open(file_name, 'w') as f:
-            f.write(config.to_string())
-    except OSError as e:
-        print("Failed to save the modified config: {}".format(e))
-        exit(1)
+
+for rule in config.list_nodes(['nat', 'nptv6', 'rule']):
+    base = ['nat', 'nptv6', 'rule', rule]
+    # Merge 'nat nptv6' to 'nat66 source'
+    merge_npt(config,base,rule)
+
+# Delete the original NPT configuration
+config.delete(['nat','nptv6']);
+
+try:
+    with open(file_name, 'w') as f:
+        f.write(config.to_string())
+except OSError as e:
+    print("Failed to save the modified config: {}".format(e))
+    exit(1)