diff --git a/src/include/serif/utils/user_options/mapping/compactification/kelvin.hpp b/src/include/serif/utils/user_options/mapping/compactification/kelvin.hpp
index eb8f9202..964c0db4 100644
--- a/src/include/serif/utils/user_options/mapping/compactification/kelvin.hpp
+++ b/src/include/serif/utils/user_options/mapping/compactification/kelvin.hpp
@@ -1,8 +1,7 @@
 #pragma once
 
 namespace serif::utils::user_options {
-    struct KelvinCompactificationOptions
-    {
+    struct KelvinCompactificationOptions {
         double r_star_ref{1.0};
         double r_inf_ref{2.0};
         double coordinate_tolerance{1.0e-12};