diff --git a/corsika/detail/modules/pythia8/Interaction.inl b/corsika/detail/modules/pythia8/Interaction.inl
index f24d1b7e2cb8df0f342c3864fa9aa80bc199cfbb..8226790349c074dbd7437498c524dccbb4bc0e32 100644
--- a/corsika/detail/modules/pythia8/Interaction.inl
+++ b/corsika/detail/modules/pythia8/Interaction.inl
@@ -195,7 +195,7 @@ namespace corsika::pythia8 {
 
     CrossSectionType const xsEl = crossSectionPPElastic_.interpolate(Elab);
     CrossSectionType const xsInel = crossSectionPPInelastic_.interpolate(Elab);
-    return std::pair{xsEl, xsInel};
+    return std::pair{xsInel, xsEl};
   }
 
   CrossSectionType InteractionModel::getCrossSection(Code const projectileId,