diff --git a/GEOSagcm_GridComp/GEOSphysics_GridComp/CMakeLists.txt b/GEOSagcm_GridComp/GEOSphysics_GridComp/CMakeLists.txt
index 23033710b..01dce0212 100644
--- a/GEOSagcm_GridComp/GEOSphysics_GridComp/CMakeLists.txt
+++ b/GEOSagcm_GridComp/GEOSphysics_GridComp/CMakeLists.txt
@@ -6,20 +6,21 @@ set (alldirs
   GEOSsurface_GridComp
   GEOSturbulence_GridComp
   GEOSgwd_GridComp
-  GEOSradiation_GridComp
   )
 
 
 if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/GEOS_PhysicsGridComp.F90)
 
+  esma_add_subdirectory(GEOSradiation_GridComp)
+
   esma_add_library (${this}
     SRCS GEOS_PhysicsGridComp.F90
     SUBCOMPONENTS ${alldirs}
-    DEPENDENCIES MAPL GMAO_mpeu GMAO_stoch esmf)
+    DEPENDENCIES MAPL GMAO_mpeu GMAO_stoch esmf GEOS_RadiationGridComp)
 
 else ()
 
-  esma_add_subdirectories (${alldirs})
+  esma_add_subdirectories (${alldirs} GEOSradiation_GridComp)
 
 endif()