diff --git a/include/multipart_parser.hpp b/include/multipart_parser.hpp
index 9d55f3a..3c60995 100644
--- a/include/multipart_parser.hpp
+++ b/include/multipart_parser.hpp
@@ -270,8 +270,8 @@
                 {
                     const char* start = &buffer[partDataMark];
                     size_t size = i - partDataMark;
-                    mime_fields.rbegin()->content += std::string_view(start,
-                                                                      size);
+                    mime_fields.rbegin()->content +=
+                        std::string_view(start, size);
                 }
                 index++;
             }