diff --git a/SC2143.md b/SC2143.md
index ad4d167..fe5dbda 100644
--- a/SC2143.md
+++ b/SC2143.md
@@ -21,4 +21,4 @@ The correct code is cleaner and stops at the first matching line, avoiding both
 
 ### Contraindications
 
-None.
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+The `pipefail` bash option may interfere with this rewrite, since the `if` will now in effect be evaluating the statuses of all commands instead of just the last one. Be careful using them together.
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