diff --git a/config/main.py b/config/main.py
index 122ca960f0..778e35cf99 100644
--- a/config/main.py
+++ b/config/main.py
@@ -1630,8 +1630,8 @@ def _update_buffer_calculation_model(config_db, model):
     device_metadata = config_db.get_entry('DEVICE_METADATA', 'localhost')
     if device_metadata.get('buffer_model') != model:
         buffer_model_changed = True
-    device_metadata['buffer_model'] = model
-    config_db.set_entry('DEVICE_METADATA', 'localhost', device_metadata)
+        device_metadata['buffer_model'] = model
+        config_db.set_entry('DEVICE_METADATA', 'localhost', device_metadata)
     return buffer_model_changed
 
 @qos.command('reload')
diff --git a/tests/mock_tables/config_db.json b/tests/mock_tables/config_db.json
index c80187dec9..55bf817587 100644
--- a/tests/mock_tables/config_db.json
+++ b/tests/mock_tables/config_db.json
@@ -1365,7 +1365,7 @@
     "BUFFER_PROFILE|alpha_profile": {
         "dynamic_th": "0",
         "pool": "[BUFFER_POOL|ingress_lossless_pool]",
-	"headroom_type": "dynamic"
+        "headroom_type": "dynamic"
     },
     "BUFFER_PG|Ethernet0|3-4": {
         "profile": "NULL"
diff --git a/tests/mock_tables/state_db.json b/tests/mock_tables/state_db.json
index e489470bc7..b1c2f1cea1 100644
--- a/tests/mock_tables/state_db.json
+++ b/tests/mock_tables/state_db.json
@@ -349,9 +349,9 @@
         "type": "ingress"
     },
     "BUFFER_PROFILE_TABLE|ingress_lossy_profile": {
-	"dynamic_th": "3",
-	"pool": "[BUFFER_POOL_TABLE|ingress_lossy_pool]",
-	"size": "0"
+        "dynamic_th": "3",
+        "pool": "[BUFFER_POOL_TABLE|ingress_lossy_pool]",
+        "size": "0"
     },
     "BUFFER_PROFILE_TABLE|headroom_profile": {
         "dynamic_th": "0",