diff --git a/networktuning.sh b/networktuning.sh
index 39c02df..2b9f295 100644
--- a/networktuning.sh
+++ b/networktuning.sh
@@ -96,6 +96,7 @@ fi
 OS_ID=$(. /etc/os-release && echo "${ID}")
 OS_VERSION=$(. /etc/os-release && echo "${VERSION_ID}" | cut -d. -f1)
 
+# shellcheck disable=SC2034
 case "$OS_ID" in
     ubuntu|debian)
         PAKMGR="apt-get -y"