diff --git a/Processes/EnergyLoss/CMakeLists.txt b/Processes/EnergyLoss/CMakeLists.txt
index f108ba859df8cf1addf5f9690879dc0cfddfd7ba..41eb2ececa1ba9baba44836c58151d8dfd5f6623 100644
--- a/Processes/EnergyLoss/CMakeLists.txt
+++ b/Processes/EnergyLoss/CMakeLists.txt
@@ -31,6 +31,7 @@ target_link_libraries (
   CORSIKAunits
   CORSIKAparticles
   CORSIKAgeometry
+  CORSIKAenvironment
   CORSIKAsetup
   )