diff --git a/src/MNH/write_lfifm1_for_diag.f90 b/src/MNH/write_lfifm1_for_diag.f90
index 4d52fa7e3a7cb5c568ca2d5a2631ae2d8d65744b..cb7e11622adb5dc829971f7c8a730c3495900b81 100644
--- a/src/MNH/write_lfifm1_for_diag.f90
+++ b/src/MNH/write_lfifm1_for_diag.f90
@@ -655,7 +655,7 @@ ZPOVO(:,:,:)= ZPOVO(:,:,:)*1E6/XRHODREF(:,:,:)
 ZPOVO(:,:,1)  =-1.E+11
 ZPOVO(:,:,IKU)=-1.E+11
 IF (INDEX(CISO,'EV') /= 0) THEN
-  YRECFM='POVOM'
+  YRECFM='POVOT'
   YCOMMENT='X_Y_Z_POtential VOrticity (PVU)'
   IGRID=1
   ILENCH=LEN(YCOMMENT)
@@ -1344,7 +1344,7 @@ END IF
 ! linox scalar variables
 IF (.NOT.(LUSECHEM .OR. LCHEMDIAG) .AND. LCH_CONV_LINOX) THEN
   DO JSV = NSV_LNOXBEG,NSV_LNOXEND
-    YRECFM='LINOXM'
+    YRECFM='LINOXT'
     WRITE(YCOMMENT,'(A6,A4,I3.3,A7)')'X_Y_Z_','LNOX',JSV,' (ppbv)'
     ILENCH=LEN(YCOMMENT)
     ZWORK31(:,:,:)=XSVT(:,:,:,JSV)*1.E9