diff --git a/services/scripts/run_performance_tests.sh b/services/scripts/run_performance_tests.sh
--- a/services/scripts/run_performance_tests.sh
+++ b/services/scripts/run_performance_tests.sh
@@ -30,7 +30,7 @@
 export COMM_NUMBER_OF_THREADS="$2"
 
 if [[ "$1" == "all" ]]; then
-  for SERVICE in "$SERVICES"; do
+  for SERVICE in $SERVICES; do
     run_performance_test "$SERVICE"
   done
   exit 0;
@@ -47,6 +47,7 @@
 SCRIPT_DIR=$(cd "$(dirname "$0")"; pwd -P)
 
 set -o allexport
+# shellcheck source=/dev/null
 source "$SCRIPT_DIR/../.env"
 set +o allexport