diff --git a/tests/common.sh b/tests/common.sh
index 0ffba510..cde05510 100644
--- a/tests/common.sh
+++ b/tests/common.sh
@@ -142,6 +142,7 @@ if [[ "$OSD_TLS" = "1" ]]; then
     VITASTOR_CFG="$VITASTOR_CFG"',"tls_cert":"'$(pwd)'/testdata/cli.crt"'
     VITASTOR_CFG="$VITASTOR_CFG"',"tls_key":"'$(pwd)'/testdata/cli.key"'
 fi
+VITASTOR_CFG="$VITASTOR_CFG"',"test_osd_aes_key":"'$(openssl rand -hex 32)'"'
 echo "{$VITASTOR_CFG}" > ./testdata/vitastor.conf
 VITASTOR_CFG=./testdata/vitastor.conf
 VITASTOR_CLI="build/src/cmd/vitastor-cli --config_path $VITASTOR_CFG"