diff --git a/scripts/arm_cross_compile.sh b/scripts/arm_cross_compile.sh
index 212263922..c3fc54d46 100755
--- a/scripts/arm_cross_compile.sh
+++ b/scripts/arm_cross_compile.sh
@@ -318,6 +318,6 @@ get_cc_toolchain
 
 cross_compile_packages=(numa uuid crypto_ssl libaio ncurses cunit isal dpdk spdk)
 
-for index in ${cross_compile_packages[*]}; do
+for index in "${cross_compile_packages[@]}"; do
 	cross_compile_$index
 done
diff --git a/test/interrupt/reactor_set_interrupt.sh b/test/interrupt/reactor_set_interrupt.sh
index a7516331e..c3b8a4512 100755
--- a/test/interrupt/reactor_set_interrupt.sh
+++ b/test/interrupt/reactor_set_interrupt.sh
@@ -29,10 +29,10 @@ function reactor_set_intr_mode() {
 
 	if [ "$without_thd"x != x ]; then
 		# Schedule all spdk_threads to reactor 1
-		for i in ${thd0_ids[*]}; do
+		for i in "${thd0_ids[@]}"; do
 			$rpc_py thread_set_cpumask -i $i -m $r1_mask
 		done
-		for i in ${thd2_ids[*]}; do
+		for i in "${thd2_ids[@]}"; do
 			$rpc_py thread_set_cpumask -i $i -m $r1_mask
 		done
 	fi
@@ -48,7 +48,7 @@ function reactor_set_intr_mode() {
 	$rpc_py --plugin interrupt_plugin reactor_set_interrupt_mode 2
 	if [ "$without_thd"x != x ]; then
 		# Schedule spdk_threads in thd2_ids back to reactor 2
-		for i in ${thd2_ids[*]}; do
+		for i in "${thd2_ids[@]}"; do
 			$rpc_py thread_set_cpumask -i $i -m $r2_mask
 		done
 	fi
@@ -59,7 +59,7 @@ function reactor_set_intr_mode() {
 	$rpc_py --plugin interrupt_plugin reactor_set_interrupt_mode 0
 	if [ "$without_thd"x != x ]; then
 		# Schedule spdk_threads in thd2_ids back to reactor 0
-		for i in ${thd0_ids[*]}; do
+		for i in "${thd0_ids[@]}"; do
 			$rpc_py thread_set_cpumask -i $i -m $r0_mask
 		done
 	fi