diff --git a/Containers/apache/start.sh b/Containers/apache/start.sh
index 9d2a8c2d..560dd84e 100644
--- a/Containers/apache/start.sh
+++ b/Containers/apache/start.sh
@@ -18,6 +18,7 @@ while ! nc -z "$NEXTCLOUD_HOST" 9000; do
 done
 
 # Get ipv4-address of Apache
+# shellcheck disable=SC2153
 IPv4_ADDRESS="$(dig "$APACHE_HOST" A +short +search | head -1)"
 # Bring it in CIDR notation
 # shellcheck disable=SC2001
diff --git a/Containers/talk/start.sh b/Containers/talk/start.sh
index 01206e16..e73525b8 100644
--- a/Containers/talk/start.sh
+++ b/Containers/talk/start.sh
@@ -20,7 +20,9 @@ fi
 
 set -x
 IPv4_ADDRESS_TALK_RELAY="$(hostname -i | grep -oP '[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+' | head -1)"
+# shellcheck disable=SC2153
 IPv4_ADDRESS_TALK="$(dig "$TALK_HOST" IN A +short +search | grep '^[0-9.]\+$' | sort | head -n1)"
+# shellcheck disable=SC2153
 IPv6_ADDRESS_TALK="$(dig "$TALK_HOST" AAAA +short +search | grep '^[0-9a-f:]\+$' | sort | head -n1)"
 set +x