diff --git a/src/app/tests/suites/certification/Test_TC_S_2_3.yaml b/src/app/tests/suites/certification/Test_TC_S_2_3.yaml
index 5603bed016f8ec..25566e427d8680 100644
--- a/src/app/tests/suites/certification/Test_TC_S_2_3.yaml
+++ b/src/app/tests/suites/certification/Test_TC_S_2_3.yaml
@@ -26,8 +26,8 @@ config:
         type: group_id
         defaultValue: 0x0101
     one:
-      type: int8u
-      defaultValue: 1
+        type: int8u
+        defaultValue: 1
 
 tests:
     - label: "Wait for the commissioned device to be retrieved"