diff --git a/examples/persistent-storage/KeyValueStorageTest.cpp b/examples/persistent-storage/KeyValueStorageTest.cpp
index 2fbd9601a66fbf..2a7a32771ad370 100644
--- a/examples/persistent-storage/KeyValueStorageTest.cpp
+++ b/examples/persistent-storage/KeyValueStorageTest.cpp
@@ -152,7 +152,7 @@ CHIP_ERROR TestMultiRead()
 
 CHIP_ERROR TestZeroLength()
 {
-    const char * kTestKey = "zero_key";
+    const char * kTestKey   = "zero_key";
     const char kTestValue[] = "not used";
     char read_value[sizeof(kTestValue)];
     size_t read_size;