diff --git a/hydro/CMakeLists.txt b/hydro/CMakeLists.txt
index ee756e71ac..63f6f59bf0 100644
--- a/hydro/CMakeLists.txt
+++ b/hydro/CMakeLists.txt
@@ -1,4 +1,6 @@
 # additions that WRF-Hydro's top CMakeLists.txt handles
+add_compile_options( ${PROJECT_COMPILE_OPTIONS} )
+add_compile_definitions( ${PROJECT_COMPILE_DEFINITIONS} )
 set(CMAKE_Fortran_MODULE_DIRECTORY ${PROJECT_BINARY_DIR}/hydro/mods)
 add_definitions(-DMPP_LAND)
 if (WRF_HYDRO_NUDGING STREQUAL "1")