diff --git a/tests/grib_md5.sh b/tests/grib_md5.sh
index 810328076..6c02f0a01 100755
--- a/tests/grib_md5.sh
+++ b/tests/grib_md5.sh
@@ -10,6 +10,9 @@
 
 . ./include.ctest.sh
 
+label="grib_md5_test"
+temp=temp.$label.grib
+
 test_md5()
 {
     file=$ECCODES_SAMPLES_PATH/$1
@@ -19,7 +22,8 @@ test_md5()
     [ "$result" = "$expected" ]
 }
 
-#######################################################################
+# Check the md5GridSection for some sample files
+# ------------------------------------------------
 # GRIB edition 1
 test_md5 "sh_sfc_grib1.tmpl"        "5b68b3d2c6e834fd501a123391b6b8a2"
 test_md5 "sh_pl_grib1.tmpl"         "5b68b3d2c6e834fd501a123391b6b8a2"
@@ -29,3 +33,14 @@ test_md5 "gg_sfc_grib1.tmpl"        "97451fbe92a77bdeb4582fadc9b65e9d"
 test_md5 "sh_sfc_grib2.tmpl"        "b10d32ebf4f91e52df0fc5d1deb57c3d"
 test_md5 "rotated_ll_pl_grib2.tmpl" "775bd4622d6becca2d2da9e308c97a7d"
 test_md5 "gg_sfc_grib2.tmpl"        "a63333bd3cb80563e66907bb66d82cda"
+
+# Change some keys in the Grid Section and test md5 is different
+# ------------------------------------------------
+input=$ECCODES_SAMPLES_PATH/GRIB2.tmpl
+${tools_dir}/grib_set -s swapScanningX=1 $input $temp
+md1=`${tools_dir}/grib_get -p md5GridSection:s $input`
+md2=`${tools_dir}/grib_get -p md5GridSection:s $temp`
+[ "$md1" != "$md2" ]
+
+# Clean up
+rm -f $temp