diff --git a/cpp/cmake_modules/FindorcAlt.cmake b/cpp/cmake_modules/FindorcAlt.cmake
index 289416678ad39..ce8cd11b4c3f0 100644
--- a/cpp/cmake_modules/FindorcAlt.cmake
+++ b/cpp/cmake_modules/FindorcAlt.cmake
@@ -71,4 +71,5 @@ if(orcAlt_FOUND)
                           PROPERTIES IMPORTED_LOCATION "${ORC_STATIC_LIB}"
                                      INTERFACE_INCLUDE_DIRECTORIES "${ORC_INCLUDE_DIR}")
   endif()
+  set(orcAlt_VERSION ${ORC_VERSION})
 endif()