diff --git a/src/json.hpp b/src/json.hpp
index fcb5e733..78c5c54e 100644
--- a/src/json.hpp
+++ b/src/json.hpp
@@ -8773,8 +8773,7 @@ basic_json_parser_63:
         {
             return std::accumulate(reference_tokens.begin(),
                                    reference_tokens.end(), std::string{},
-                                   [](const std::string & a,
-                                      const std::string & b)
+                                   [](const std::string & a, const std::string & b)
             {
                 return a + "/" + escape(b);
             });
diff --git a/src/json.hpp.re2c b/src/json.hpp.re2c
index dea0f51c..c484c5e8 100644
--- a/src/json.hpp.re2c
+++ b/src/json.hpp.re2c
@@ -8083,8 +8083,7 @@ class basic_json
         {
             return std::accumulate(reference_tokens.begin(),
                                    reference_tokens.end(), std::string{},
-                                   [](const std::string & a,
-                                      const std::string & b)
+                                   [](const std::string & a, const std::string & b)
             {
                 return a + "/" + escape(b);
             });