diff --git a/src/MNH/aircraft_balloon_evol.f90 b/src/MNH/aircraft_balloon_evol.f90
index a246e43915ee42b3dec9cb50996d11b363aa2c3d..8b6383b578d18c1af295d9abf7a0ede3bce2cd87 100644
--- a/src/MNH/aircraft_balloon_evol.f90
+++ b/src/MNH/aircraft_balloon_evol.f90
@@ -1673,7 +1673,7 @@ CALL FIND_PROCESS_AND_MODEL_FROM_XY_POS( ZX, ZY, IRANK, IMODEL )
 
 IF ( IRANK < 1 ) THEN
   ! Flyer is outside of horizontal domain
-  TPFLYER%NMODEL    = 1 !Set to 1 because it is always a valid model (to prevent crash if NDAD(TPFLYER%NMODEL) )
+  ! TPFLYER%NMODEL !Do not change to keep a valid value
   TPFLYER%LCRASH    = .TRUE.
   TPFLYER%NCRASH    = NCRASH_OUT_HORIZ
   TPFLYER%LFLY      = .FALSE.