1 files changed, 7 insertions, 0 deletions

diff --git a/src/gns/test_gns_dht_lookup.sh b/src/gns/test_gns_dht_lookup.sh
index 7d76d9c52..e2b025f86 100755
--- a/src/gns/test_gns_dht_lookup.sh
+++ b/src/gns/test_gns_dht_lookup.sh
@@ -2,6 +2,13 @@
 trap "gnunet-arm -e -c test_gns_lookup.conf" SIGINT
 which timeout &> /dev/null && DO_TIMEOUT="timeout 30"
 
+LOCATION=$(which gnunet-config)
+if [ -z $LOCATION ]
+then
+        echo "GNUnet command line tools cannot be found, check environmental variables PATH and GNUNET_PREFIX" 
+        exit 1
+fi
+
 TEST_IP="127.0.0.1"
 gnunet-arm -s -c test_gns_lookup.conf
 gnunet-identity -C delegatedego -c test_gns_lookup.conf