diff --git a/scripts/check_format.sh b/scripts/check_format.sh
index 28f104c23..4cb7d64e7 100755
--- a/scripts/check_format.sh
+++ b/scripts/check_format.sh
@@ -247,7 +247,7 @@ SC2059,SC2068,SC2074,SC2086,SC2088,SC2089,SC2090,SC2091,SC2094,\
 SC2097,SC2098,SC2103,SC2115,SC2116,SC2119,SC2120,SC2121,SC2124,SC2126,SC2128,\
 SC2129,SC2140,SC2142,SC2143,SC2145,SC2146,SC2148,SC2152,SC2153,SC2154,SC2155,\
 SC2162,SC2164,SC2165,SC2166,SC2167,SC2174,SC2178,SC2181,SC2191,SC2192,SC2195,\
-SC2199,SC2206,SC2207,SC2209,SC2214,SC2219,SC2223,SC2230,SC2231,SC2235"
+SC2199,SC2206,SC2207,SC2209,SC2214,SC2223,SC2230,SC2231,SC2235"
 	# SPDK fails some error checks which have been deprecated in later versions of shellcheck.
 	# We will not try to fix these error checks, but instead just leave the error types here
 	# so that we can still run with older versions of shellcheck.
diff --git a/test/nvmf/common.sh b/test/nvmf/common.sh
index d25f0f68d..164fa727f 100644
--- a/test/nvmf/common.sh
+++ b/test/nvmf/common.sh
@@ -100,13 +100,13 @@ function detect_rdma_nics()
 
 function allocate_nic_ips()
 {
-	let count=$NVMF_IP_LEAST_ADDR
+	(( count=$NVMF_IP_LEAST_ADDR ))
 	for nic_name in $(get_rdma_if_list); do
 		ip="$(get_ip_address $nic_name)"
 		if [ -z $ip ]; then
 			ip addr add $NVMF_IP_PREFIX.$count/24 dev $nic_name
 			ip link set $nic_name up
-			let count=$count+1
+			(( count=$count+1 ))
 		fi
 		# dump configuration for debug log
 		ip addr show $nic_name