diff --git a/src/stars/Eagle/stars_part.h b/src/stars/Eagle/stars_part.h
index cb5df320027a2905e8870fb408e35d2d330b26c1..b8a942fe22094c9944c81eb2cd6ebd83383e9fbb 100644
--- a/src/stars/Eagle/stars_part.h
+++ b/src/stars/Eagle/stars_part.h
@@ -1,10 +1,7 @@
 /*******************************************************************************
  * This file is part of SWIFT.
  * Copyright (c) 2016 Matthieu Schaller (matthieu.schaller@durham.ac.uk)
-<<<<<<< HEAD
  *               2018 Folkert Nobels (nobels@strw.leidenuniv.nl)
-=======
->>>>>>> Add Eagle stars
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published
@@ -81,6 +78,7 @@ struct spart {
   /*! Chemistry structure */
   struct chemistry_part_data chemistry_data;
 
+
 #ifdef SWIFT_DEBUG_CHECKS
 
   /* Time of the last drift */
@@ -126,6 +124,12 @@ struct stars_props {
 
   /*! Maximal change of h over one time-step */
   float log_max_h_change;
+
+  /*! Fixed mass ratio Ca to Si */
+  float Ca_to_Si;
+  
+  /*! Fixed mass ratio S to Si */
+  float S_to_Si;
 };
 
 #endif /* SWIFT_EAGLE_STAR_PART_H */