diff --git a/Installation/CMakeLists.txt b/Installation/CMakeLists.txt
index 4b9847fd0b5..024a2902bca 100644
--- a/Installation/CMakeLists.txt
+++ b/Installation/CMakeLists.txt
@@ -145,7 +145,7 @@ if ( CGAL_BRANCH_BUILD )
   file(WRITE "${CMAKE_BINARY_DIR}/VERSION" "${CGAL_CREATED_VERSION_NUM}")
 
   message(STATUS "CGAL_VERSION is ${CGAL_CREATED_VERSION}")
-  set(CGAL_FULL_VERSION ${CGAL_CREATED_VERSION} PARENT_SCOPE)
+  set(CGAL_FULL_VERSION ${CGAL_CREATED_VERSION} CACHE INTERNAL "CGAL version")
 
 
   #define CGAL_VERSION_NR 1030500135