diff --git a/src/json.hpp b/src/json.hpp
index 055d1b9ec..8fee398e7 100644
--- a/src/json.hpp
+++ b/src/json.hpp
@@ -7606,10 +7606,10 @@ class basic_json
     using object_comparator_t = std::less<StringType>;
 #endif
     using object_t = ObjectType<StringType,
-      basic_json,
-      object_comparator_t,
-      AllocatorType<std::pair<const StringType,
-      basic_json>>>;
+          basic_json,
+          object_comparator_t,
+          AllocatorType<std::pair<const StringType,
+          basic_json>>>;
 
     /*!
     @brief a type for an array