diff --git a/src/MNH/write_lfifm1_for_diag_supp.f90 b/src/MNH/write_lfifm1_for_diag_supp.f90
index ea51feba2e068f73f4f09a49b7c737db1178363a..0967bc28ecc39aedeffc1d17f38d7e13b1d519fb 100644
--- a/src/MNH/write_lfifm1_for_diag_supp.f90
+++ b/src/MNH/write_lfifm1_for_diag_supp.f90
@@ -846,15 +846,15 @@ END IF
 !
 IF (NRTTOVINFO(1,1) /= NUNDEF) THEN
 ! PRINT*,'YOU ASK FOR BRIGHTNESS TEMPERATURE COMPUTED BY THE RTTOV CODE'
-#ifdef MNH_RTTOV_8
+#if defined(MNH_RTTOV_8)
   CALL CALL_RTTOV8(NDLON, NFLEV, NSTATM, XEMIS(:,:,1), XTSRAD, XSTATM, XTHT, XRT, &
                   XPABST, XZZ, XMFCONV, XCLDFR, XUT(:,:,IKB), XVT(:,:,IKB),   &
                   LUSERI, NRTTOVINFO, TPFILE                                  )
-#elif MNH_RTTOV_11
+#elif defined(MNH_RTTOV_11)
   CALL CALL_RTTOV11(NDLON, NFLEV, XEMIS(:,:,1), XTSRAD, XTHT, XRT,            &
                   XPABST, XZZ, XMFCONV, XCLDFR, XUT(:,:,IKB), XVT(:,:,IKB),   &
                   LUSERI, NRTTOVINFO, TPFILE                                  )
-#elif MNH_RTTOV_13
+#elif defined(MNH_RTTOV_13)
   CALL CALL_RTTOV13(NDLON, NFLEV, XEMIS(:,:,1), XTSRAD, XTHT, XRT,            &
                   XPABST, XZZ, XMFCONV, XCLDFR, XUT(:,:,IKB), XVT(:,:,IKB),   &
                   LUSERI, NRTTOVINFO, TPFILE                                  )