diff --git a/include/openmc/particle.h b/include/openmc/particle.h
index 69a8eb6ba4..2917b45e4a 100644
--- a/include/openmc/particle.h
+++ b/include/openmc/particle.h
@@ -361,7 +361,6 @@ public:
   #endif
 
   int64_t n_progeny_ {0}; // Number of progeny produced by this particle
-
 };
 
 } // namespace openmc