diff --git a/Appl/CEP/CS1/CMakeLists.txt b/Appl/CEP/CS1/CMakeLists.txt
index 214c4a0fb09b4117eae544bd9656410ded905d12..65c1d7df860cfa2dbd8150c854e2c049e2d8614c 100644
--- a/Appl/CEP/CS1/CMakeLists.txt
+++ b/Appl/CEP/CS1/CMakeLists.txt
@@ -1,4 +1,5 @@
 
 add_subdirectory (CS1_IONProc)
 add_subdirectory (CS1_Interface)
+add_subdirectory (CS1_Storage)
 #add_subdirectory (CS1_Tools)