diff --git a/tests/ieee.sh b/tests/ieee.sh
index 77962d844..fe7a294e2 100755
--- a/tests/ieee.sh
+++ b/tests/ieee.sh
@@ -10,7 +10,9 @@
 
 . ./include.sh
 
+# This file does not have a bitmap
 infile=${data_dir}/regular_latlon_surface.grib1
+
 shdata=${data_dir}/spherical_model_level.grib1
 suff=_ieee_test.grib1
 outsimple=simple$suff
@@ -34,32 +36,32 @@ cat > r.filter <<EOF
 print "[values%g]";
 EOF
 
-${tools_dir}/grib_filter -o $outsimple w.filter $infile 
+${tools_dir}/grib_filter -o $outsimple w.filter $infile
 
 ${tools_dir}/grib_filter r.filter $outsimple > $outsimple.txt
 diff $outsimple.txt ${data_dir}/ieee_test.good
 
 ${tools_dir}/grib_set -r -s packingType=grid_ieee $outsimple $out32
-${tools_dir}/grib_filter r.filter $out32 > $out32.txt 
+${tools_dir}/grib_filter r.filter $out32 > $out32.txt
 diff $out32.txt ${data_dir}/ieee_test.good
 
 GRIB_IEEE_PACKING=32
 export GRIB_IEEE_PACKING
-${tools_dir}/grib_filter -o $out32 w.filter $infile 
-${tools_dir}/grib_filter r.filter $out32 > $out32.txt 
+${tools_dir}/grib_filter -o $out32 w.filter $infile
+${tools_dir}/grib_filter r.filter $out32 > $out32.txt
 diff $out32.txt ${data_dir}/ieee_test.good
 grib_check_key_equals $out32 'packingType,precision' 'grid_ieee 1'
 
 GRIB_IEEE_PACKING=64
 export GRIB_IEEE_PACKING
-${tools_dir}/grib_filter -o $out64 w.filter $infile 
-${tools_dir}/grib_filter r.filter $out64 > $out64.txt 
+${tools_dir}/grib_filter -o $out64 w.filter $infile
+${tools_dir}/grib_filter r.filter $out64 > $out64.txt
 diff $out64.txt ${data_dir}/ieee_test.good
 grib_check_key_equals $out64 'packingType,precision' 'grid_ieee 2'
 
 
 rm -f $outsimple $out32 $out64 $out32.txt $out64.txt
-rm -f ${data_dir}/$outsimple.txt ${data_dir}/$out32.txt ${data_dir}/$out64.txt 
+rm -f ${data_dir}/$outsimple.txt ${data_dir}/$out32.txt ${data_dir}/$out64.txt
 rm -f w.filter $outsimple.txt
 
 ${tools_dir}/grib_filter r.filter $shdata > $shdata.txt
@@ -97,6 +99,21 @@ stats2=`${tools_dir}/grib_get -M -F%.3f -p min,max,avg $temp`
 grib_check_key_equals $temp numberOfEffectiveValues,numberOfValues,numberOfMissing '214661 214661 98701'
 grib_check_key_equals $temp totalLength 899004
 
+echo "Test ECCODES_GRIB_IEEE_PACKING on GRIB2 with bitmap..."
+# ------------------------------------------------------------
+infile=${data_dir}/reduced_latlon_surface.grib2
+grib_check_key_equals $infile bitmapPresent 1
+ECCODES_GRIB_IEEE_PACKING=32 ${tools_dir}/grib_copy -r $infile $temp
+grib_check_key_equals $temp packingType grid_ieee
+${tools_dir}/grib_compare -c data:n -R all=6e-8 $infile $temp
+
+echo "Test ECCODES_GRIB_IEEE_PACKING on GRIB2 without bitmap..."
+# --------------------------------------------------------------
+infile=${data_dir}/regular_latlon_surface.grib2
+grib_check_key_equals $infile bitmapPresent 0
+ECCODES_GRIB_IEEE_PACKING=32 ${tools_dir}/grib_copy -r $infile $temp
+grib_check_key_equals $temp packingType grid_ieee
+${tools_dir}/grib_compare   -c data:n          $infile $temp
 
 
 echo "Test raw packing on GRIB1 with bitmap..."