1 files changed, 1 insertions, 1 deletions
diff --git a/mailnews/extensions/bayesian-spam-filter/src/nsBayesianFilter.cpp b/mailnews/extensions/bayesian-spam-filter/src/nsBayesianFilter.cpp
index f879c7aa34..b3e732a443 100644
--- a/mailnews/extensions/bayesian-spam-filter/src/nsBayesianFilter.cpp
+++ b/mailnews/extensions/bayesian-spam-filter/src/nsBayesianFilter.cpp
@@ -547,7 +547,7 @@ void Tokenizer::tokenizeHeaders(nsIUTF8StringEnumerator * aHeaderNames, nsIUTF8S
         if (Substring(headerName, 0, 9).Equals("x-mozilla"))
           break;
         // fall through
-        MOZ_FALLTHROUGH;
+        [[fallthrough]];
     case 'u':
         addTokenForHeader(headerName.get(), headerValue);
         break;