diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index ae392bba1..caf10725d 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -72,6 +72,7 @@ if( HAVE_BUILD_TOOLS )
         grib_ecc-1053
         grib_ecc-1065
         grib_ecc-1167
+        grib_ecc-1170
         bufr_json_samples
         bufr_ecc-359
         bufr_ecc-517
diff --git a/tests/grib_ecc-1167.sh b/tests/grib_ecc-1167.sh
index fb058ea70..9b50cad33 100755
--- a/tests/grib_ecc-1167.sh
+++ b/tests/grib_ecc-1167.sh
@@ -30,7 +30,7 @@ grib_check_key_equals $temp2 uuidOfHGrid 'defdbeef10203040b00b1e50001100ff'
 ${tools_dir}/grib_set -s uuidOfHGrid:s=10991111111111111111115000110000 $temp1 $temp2
 grib_check_key_equals $temp2 uuidOfHGrid '10991111111111111111115000110000'
 
-exit 0
+
 # Test errors
 set +e
 # Invalid HEX
diff --git a/tests/grib_ecc-1170.sh b/tests/grib_ecc-1170.sh
new file mode 100755
index 000000000..c3a8e7196
--- /dev/null
+++ b/tests/grib_ecc-1170.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+# (C) Copyright 2005- ECMWF.
+#
+# This software is licensed under the terms of the Apache Licence Version 2.0
+# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
+#
+# In applying this licence, ECMWF does not waive the privileges and immunities granted to it by
+# virtue of its status as an intergovernmental organisation nor does it submit to any jurisdiction.
+#
+
+. ./include.sh
+set -u
+# ---------------------------------------------------------
+# This is the test for the JIRA issue ECC-1170
+# grib_filter: Fail if key of type double (e.g. values) is assigned to a string
+# ---------------------------------------------------------
+label="grib_ecc-1170-test"
+
+tempErr=temp.${label}.err
+tempFilt=temp.${label}.filt
+sample2=$ECCODES_SAMPLES_PATH/GRIB2.tmpl
+
+cat > $tempFilt <<EOF
+  set values = "illegal";
+EOF
+set +e
+${tools_dir}/grib_filter $tempFilt $sample2 2>$tempErr
+status=$?
+set -e
+[ $status -ne 0 ]
+
+#cat $tempErr
+grep -q "unable to set values as double" $tempErr
+
+
+# Clean up
+rm -f $tempFilt $tempErr