diff --git a/src/Mod/CMakeLists.txt b/src/Mod/CMakeLists.txt
index d90166054..995c104fd 100644
--- a/src/Mod/CMakeLists.txt
+++ b/src/Mod/CMakeLists.txt
@@ -45,3 +45,4 @@ if(FREECAD_BUILD_SANDBOX)
 endif(FREECAD_BUILD_SANDBOX)
 
 add_subdirectory(Surfaces)
+add_subdirectory(Ship)