diff --git a/Processes/Proposal/ContinuousProcess.cc b/Processes/Proposal/ContinuousProcess.cc
index 537a2498510128ce245f3372a1b56d58cff689fe..81ba9825eb4243efa06be491db552546aceee7fe 100644
--- a/Processes/Proposal/ContinuousProcess.cc
+++ b/Processes/Proposal/ContinuousProcess.cc
@@ -52,7 +52,7 @@ namespace corsika::process::proposal {
         ++frac_iter;
       }
       media[ncarg] = PROPOSAL::Medium(
-          "Modified Air", 1., PROPOSAL::Air().GetI(), PROPOSAL::Air().GetC(),
+          "Modified Air", PROPOSAL::Air().GetI(), PROPOSAL::Air().GetC(),
           PROPOSAL::Air().GetA(), PROPOSAL::Air().GetM(), PROPOSAL::Air().GetX0(),
           PROPOSAL::Air().GetX1(), PROPOSAL::Air().GetD0(), 1.0, comp_vec);
     }
diff --git a/Processes/Proposal/Interaction.cc b/Processes/Proposal/Interaction.cc
index 8e8b08c2b266e8cb7dd3641477b94891c3f489a0..71ddfcfee72e230b2a1343338e03d8a9b2884480 100644
--- a/Processes/Proposal/Interaction.cc
+++ b/Processes/Proposal/Interaction.cc
@@ -51,7 +51,7 @@ namespace corsika::process::proposal {
         ++frac_iter;
       }
       media[ncarg] = PROPOSAL::Medium(
-          "Modified Air", 1., PROPOSAL::Air().GetI(), PROPOSAL::Air().GetC(),
+          "Modified Air", PROPOSAL::Air().GetI(), PROPOSAL::Air().GetC(),
           PROPOSAL::Air().GetA(), PROPOSAL::Air().GetM(), PROPOSAL::Air().GetX0(),
           PROPOSAL::Air().GetX1(), PROPOSAL::Air().GetD0(), 1.0, comp_vec);
     }
diff --git a/Processes/Proposal/PROPOSAL b/Processes/Proposal/PROPOSAL
index 0a5467ddda72f2729b1dc340eb03407c33ebeb2b..17bc2e3a6fb777c51993dca12831c45a8eb40ff8 160000
--- a/Processes/Proposal/PROPOSAL
+++ b/Processes/Proposal/PROPOSAL
@@ -1 +1 @@
-Subproject commit 0a5467ddda72f2729b1dc340eb03407c33ebeb2b
+Subproject commit 17bc2e3a6fb777c51993dca12831c45a8eb40ff8