diff --git a/conf/profile_mesonh.ihm b/conf/profile_mesonh.ihm
index 48af993f54bff7511411b642062766f5a0b4c6de..a4f0976852c606e6305a909fb083ea4d885453c9 100755
--- a/conf/profile_mesonh.ihm
+++ b/conf/profile_mesonh.ihm
@@ -102,6 +102,7 @@ export MNH_FOREFIRE=${MNH_FOREFIRE}
 #  RTTOV
 #
 export MNH_RTTOV=${MNH_RTTOV}
+export VER_RTTOV=${VER_RTTOV}
 #
 #  OASIS
 #