diff --git a/ngcp-system-tests b/ngcp-system-tests
index 1d43683..860ed93 100755
--- a/ngcp-system-tests
+++ b/ngcp-system-tests
@@ -3,7 +3,8 @@
 set -e
 set -E
 
-declare -r ME="$(basename "$0")"
+ME="$(basename "$0")"
+declare -r ME
 declare -r OPTS=("$@")
 declare -a PROVE_OPTS=()
 NGCP_TESTS_MODE=${NGCP_TESTS_MODE:=prove}
diff --git a/sbin/ngcp-mysql-compare-dbs b/sbin/ngcp-mysql-compare-dbs
index a9b13ca..d255893 100755
--- a/sbin/ngcp-mysql-compare-dbs
+++ b/sbin/ngcp-mysql-compare-dbs
@@ -55,6 +55,7 @@ if [[ ! -r "${NGCP_ROLES}" ]]; then
   echo "Cannot read mandatory config file ${NGCP_ROLES}" 2>&1
   exit 1
 fi
+# shellcheck disable=SC1090
 . "${NGCP_ROLES}"
 
 MYSQL_CREDENTIALS='/etc/mysql/sipwise_extra.cnf'