diff --git a/src/SURFEX/modd_surfex_omp.F90 b/src/SURFEX/modd_surfex_omp.F90
index b9e8539b1e967cf3ca4aaa24288d35f000f0e9d2..41f9e6149a9a94ba18f9332b6a8ac82439c272f9 100644
--- a/src/SURFEX/modd_surfex_omp.F90
+++ b/src/SURFEX/modd_surfex_omp.F90
@@ -36,13 +36,13 @@ USE YOMHOOK   ,ONLY : LHOOK,   DR_HOOK
 USE PARKIND1  ,ONLY : JPRB
 !
 #ifdef AIX64 
- USE OMP_LIB
+!$ USE OMP_LIB
 #endif
 !
 IMPLICIT NONE
 !
 #ifndef AIX64
-  INCLUDE 'omp_lib.h'
+!$  INCLUDE 'omp_lib.h'
 #endif
 !
 !RJ: this broke non openmp version before