diff --git a/tests/grib_accessors.sh b/tests/grib_accessors.sh
index 18011d3f8..f9ea7217c 100755
--- a/tests/grib_accessors.sh
+++ b/tests/grib_accessors.sh
@@ -24,6 +24,7 @@ tempDir=${label}.temp.dir
 rm -rf $tempDir
 mkdir -p $tempDir/definitions/grib2
 bootfile=$tempDir/definitions/grib2/boot.def
+
 cat $def_dir/grib2/boot.def > $bootfile
 echo "uint16 key_uint16: transient;"    >> $bootfile
 echo "uint32 key_uint32: transient;"    >> $bootfile
@@ -54,6 +55,16 @@ set -e
 grib_check_key_equals $input 'key_tos1,key_tos2'     'G 200'
 grib_check_key_equals $input 'key_tos2:d,key_tos2:i' '200 200'
 
+
+# Non-existent accessor
+set +e
+echo "meta abcd bad_accessor();" > $tempDir/definitions/boot_extra.def
+${tools_dir}/grib_ls $input > $tempText 2>&1
+status=$?
+set -e
+[ $status -ne 0 ]
+grep -q "No creator for type bad_accessor" $tempText
+
 rm -rf $tempDir
 
 
diff --git a/tests/grib_complex_spatial_differencing.sh b/tests/grib_complex_spatial_differencing.sh
index cb2e8d317..a220e55bf 100755
--- a/tests/grib_complex_spatial_differencing.sh
+++ b/tests/grib_complex_spatial_differencing.sh
@@ -25,7 +25,8 @@ res=`${tools_dir}/grib_get -p decimalScaleFactor,bitsPerValue ${data_dir}/gfs.c2
 
 # All undefined values
 cat >$tempFilt<<EOF
-    set values={9999,9999,9999,9999};
+    set missingValue = 999999;
+    set values={999999, 999999, 999999, 999999};
     write;
 EOF
 infile=${data_dir}/gfs.complex.mvmu.grib2