diff --git a/util/suppressions.txt b/util/suppressions.txt
index dbfa38b4af..ea5ff3b292 100644
--- a/util/suppressions.txt
+++ b/util/suppressions.txt
@@ -1,2 +1,3 @@
 unmatchedSuppression:*
 preprocessorErrorDirective:*
+unknownMacro:*