diff --git a/src/clm5/CMakeLists.txt b/src/clm5/CMakeLists.txt
index 0e32f30af..a2446ece0 100644
--- a/src/clm5/CMakeLists.txt
+++ b/src/clm5/CMakeLists.txt
@@ -319,9 +319,9 @@ target_sources(${PROJECT_NAME}
         utils/spmdMod.F90
 )
 
-find_package(LAPACK)
+find_package(LAPACK REQUIRED)
 if(LAPACK_FOUND)
     target_link_libraries(${PROJECT_NAME} PRIVATE LAPACK::LAPACK)
 endif()
 target_link_libraries(${PROJECT_NAME} PRIVATE csm_share)
-install (TARGETS ${PROJECT_NAME} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
\ No newline at end of file
+install (TARGETS ${PROJECT_NAME} ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})