diff --git a/tox.ini b/tox.ini
index b7f0cd370..29e7475e8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -46,6 +46,7 @@ basepython = python3
 # SC2207: Prefer mapfile or read -a to split command output (or quote to avoid splitting)
 # SC2219: Instead of 'let expr', prefer (( expr ))
 # SC2254: Quote expansions in case patterns to match literally rather than as a glob.
+# SC2317: Command appears to be unreachable. Check usage (or ignore if invoked indirectly).
 
 # shellcheck is called twice, to handle shell scripts that do not end in .sh
 commands =
@@ -59,7 +60,7 @@ commands =
          -eSC1083 -eSC2002 -eSC2004 -eSC2005 -eSC2006 -eSC2012 -eSC2034 \
          -eSC2044 -eSC2046 -eSC2068 -eSC2076 -eSC2086 -eSC2091 -eSC2115 \
          -eSC2148 -eSC2154 -eSC2155 -eSC2162 -eSC2166 -eSC2181 -eSC2199 \
-         -eSC2206 -eSC2207 -eSC2219 -eSC2254"
+         -eSC2206 -eSC2207 -eSC2219 -eSC2254 -eSC2317"
   bash -c "find {toxinidir}                    \
          -not \( -type d -name .?\* -prune \) \
          -type f                              \