diff --git a/src/acl/Checklist.cc b/src/acl/Checklist.cc
index 1a6dcdfd7d9..6f24169b819 100644
--- a/src/acl/Checklist.cc
+++ b/src/acl/Checklist.cc
@@ -325,7 +325,7 @@ ACLChecklist::fastCheck()
 void
 ACLChecklist::calcImplicitAnswer()
 {
-    const auto& lastAction = accessList ?
+    const auto &lastAction = accessList ?
                              accessList->lastAction() : Acl::Answer(ACCESS_DUNNO);
     auto implicitRuleAnswer = Acl::Answer(ACCESS_DUNNO);
     if (lastAction == ACCESS_DENIED) // reverse last seen "deny"