diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4973ecdd803097231c7efd9fd9ee6b94ec5f338c..344257e5b308456242d15444b4853dc97b3fc96e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -253,6 +253,7 @@ set (CORSIKA_DATA_WITH_TEST ON) # we want to run the corsika-data unit test
 add_subdirectory (modules/data) # this is corsika-data (submodule)
 add_subdirectory (modules/pythia8)
 add_subdirectory (modules/sibyll)
+add_subdirectory (modules/sophia)
 add_subdirectory (modules/qgsjetII)
 add_subdirectory (modules/urqmd)
 add_subdirectory (modules/conex)