diff --git a/include/nlohmann/json.hpp b/include/nlohmann/json.hpp
index a0a0f4c17..5d07b8f93 100644
--- a/include/nlohmann/json.hpp
+++ b/include/nlohmann/json.hpp
@@ -1017,7 +1017,7 @@ class basic_json
                 }
             }
 
-            while (!stack.empty())
+            while (not stack.empty())
             {
                 // move the last item to local variable to be processed
                 basic_json current_item(std::move(stack.back()));
diff --git a/single_include/nlohmann/json.hpp b/single_include/nlohmann/json.hpp
index 443459f0c..726a96322 100644
--- a/single_include/nlohmann/json.hpp
+++ b/single_include/nlohmann/json.hpp
@@ -15560,7 +15560,7 @@ class basic_json
                 }
             }
 
-            while (!stack.empty())
+            while (not stack.empty())
             {
                 // move the last item to local variable to be processed
                 basic_json current_item(std::move(stack.back()));