diff --git a/Processes/Sibyll/NuclearInteraction.h b/Processes/Sibyll/NuclearInteraction.h
index 7520b2dfb5a6448e82f3ffbf204694c662dea428..911cd40810afd4ab35ca324599a9d6c210a30e81 100644
--- a/Processes/Sibyll/NuclearInteraction.h
+++ b/Processes/Sibyll/NuclearInteraction.h
@@ -46,7 +46,7 @@ namespace corsika::process::sibyll {
       using std::endl;
 
       // initialize hadronic interaction module
-      sibyll_ini_();
+      //sibyll_ini_();
       
       // initialize nuclib
       nuc_nuc_ini_();
@@ -188,6 +188,9 @@ namespace corsika::process::sibyll {
       // this routine superimposes different nucleon-nucleon interactions
       // in a nucleus-nucleus interaction, based the SIBYLL routine SIBNUC 
 
+      // this routine superimposes different nucleon-nucleon interactions
+      // in a nucleus-nucleus interaction, based the SIBYLL routine SIBNUC 
+
       using namespace corsika::units;
       using namespace corsika::utl;
       using namespace corsika::units::si;