diff --git a/sorc/chgres_cube.fd/grib2_util.F90 b/sorc/chgres_cube.fd/grib2_util.F90
index d42951f10..92479e840 100644
--- a/sorc/chgres_cube.fd/grib2_util.F90
+++ b/sorc/chgres_cube.fd/grib2_util.F90
@@ -169,7 +169,7 @@ elemental function fpvsnew(t)
       c1xpvs=1.-xmin*c2xpvs
 !    xj=min(max(c1xpvs+c2xpvs*t,1.0),real(nxpvs,krealfp))
       xj=min(max(c1xpvs+c2xpvs*t,1.0),float(nxpvs))
-      jx=nint(min(xj,float(nxpvs)-1.0))
+      jx=int(min(xj,float(nxpvs)-1.0))
       x=xmin+(jx-1)*xinc
 
       tr=con_ttp/x