1 files changed, 7 insertions, 0 deletions
diff --git a/Source/Particles/Collision/CollisionHandler.cpp b/Source/Particles/Collision/CollisionHandler.cpp
index 600bbff29..40889ccb0 100644
--- a/Source/Particles/Collision/CollisionHandler.cpp
+++ b/Source/Particles/Collision/CollisionHandler.cpp
@@ -8,6 +8,7 @@
 
 #include "BinaryCollision.H"
 #include "PairWiseCoulombCollisionFunc.H"
+#include "BackgroundMCCCollision.H"
 
 #include <AMReX_ParmParse.H>
 
@@ -37,6 +38,12 @@ CollisionHandler::CollisionHandler()
             allcollisions[i] =
                std::make_unique<BinaryCollision<PairWiseCoulombCollisionFunc>>(collision_names[i]);
         }
+        else if (type == "background_mcc") {
+            allcollisions[i] = std::make_unique<BackgroundMCCCollision>(collision_names[i]);
+        }
+        else{
+            amrex::Abort("Unknown collision type.");
+        }
 
     }