diff --git a/test.sh b/test.sh
index b744fd2..43984bd 100755
--- a/test.sh
+++ b/test.sh
@@ -3,53 +3,54 @@
 set -ex
 
 TEMPLATE_DIR=$1
-if [ -z "$TEMPLATE_DIR" ]; then echo "template dir required"; exit 1; fi
+if [ -z "${TEMPLATE_DIR}" ]; then echo "template dir required"; exit 1; fi
 PROG_TYPE=$2
-if [ -z "$PROG_TYPE" ]; then echo "program type required"; exit 1; fi
+if [ -z "${PROG_TYPE}" ]; then echo "program type required"; exit 1; fi
 
 TMP_DIR=$(mktemp -d)
 clean_up() {
+    # shellcheck disable=SC2317
     rm -rf "${TMP_DIR}"
 }
 trap clean_up EXIT
 
-pushd $TMP_DIR
-case "$PROG_TYPE" in
+pushd "${TMP_DIR}"
+case "${PROG_TYPE}" in
     "cgroup_sockopt")
-	    ADDITIONAL_ARGS="-d sockopt_target=getsockopt"
+	    ADDITIONAL_ARGS=(-d sockopt_target=getsockopt)
         ;;
     "classifier"|"cgroup_skb")
-        ADDITIONAL_ARGS="-d direction=Ingress"
+        ADDITIONAL_ARGS=(-d direction=Ingress)
         ;;
     "fentry"|"fexit")
-        ADDITIONAL_ARGS="-d fn_name=try_to_wake_up"
+        ADDITIONAL_ARGS=(-d fn_name=try_to_wake_up)
         ;;
     "kprobe"|"kretprobe")
-        ADDITIONAL_ARGS="-d kprobe=test"
+        ADDITIONAL_ARGS=(-d kprobe=test)
         ;;
     "lsm")
-        ADDITIONAL_ARGS="-d lsm_hook=file_open"
+        ADDITIONAL_ARGS=(-d lsm_hook=file_open)
         ;;
     "raw_tracepoint")
-        ADDITIONAL_ARGS="-d tracepoint_name=sys_enter"
+        ADDITIONAL_ARGS=(-d tracepoint_name=sys_enter)
         ;;
     "sk_msg")
-        ADDITIONAL_ARGS="-d sock_map=SOCK_MAP"
+        ADDITIONAL_ARGS=(-d sock_map=SOCK_MAP)
         ;;
     "tp_btf")
-	    ADDITIONAL_ARGS="-d tracepoint_name=net_dev_queue"
+	    ADDITIONAL_ARGS=(-d tracepoint_name=net_dev_queue)
         ;;
     "tracepoint")
-	    ADDITIONAL_ARGS="-d tracepoint_category=net -d tracepoint_name=net_dev_queue"
+	    ADDITIONAL_ARGS=(-d tracepoint_category=net -d tracepoint_name=net_dev_queue)
         ;;
     "uprobe"|"uretprobe")
-        ADDITIONAL_ARGS="-d uprobe_target=testlib -d uprobe_fn_name=testfn"
+        ADDITIONAL_ARGS=(-d uprobe_target=testlib -d uprobe_fn_name=testfn)
         ;;
     *)
-        ADDITIONAL_ARGS=''
+        ADDITIONAL_ARGS=()
 esac
 
-cargo generate --path "${TEMPLATE_DIR}" -n test -d program_type="${PROG_TYPE}" ${ADDITIONAL_ARGS}
+cargo generate --path "${TEMPLATE_DIR}" -n test -d program_type="${PROG_TYPE}" "${ADDITIONAL_ARGS[@]}"
 pushd test
 cargo +nightly fmt --all -- --check
 cargo build --package test