1 files changed, 2 insertions, 2 deletions
diff --git a/xpcom/base/nsGZFileWriter.h b/xpcom/base/nsGZFileWriter.h
index e1ba9c8152..ad2ea04fba 100644
--- a/xpcom/base/nsGZFileWriter.h
+++ b/xpcom/base/nsGZFileWriter.h
@@ -34,12 +34,12 @@ public:
    * duplicate them here so that you can call these overloads on a pointer to
    * the concrete nsGZFileWriter class.
    */
-  MOZ_MUST_USE nsresult Write(const char* aStr)
+  [[nodiscard]] nsresult Write(const char* aStr)
   {
     return nsIGZFileWriter::Write(aStr);
   }
 
-  MOZ_MUST_USE nsresult Write(const char* aStr, uint32_t aLen)
+  [[nodiscard]] nsresult Write(const char* aStr, uint32_t aLen)
   {
     return nsIGZFileWriter::Write(aStr, aLen);
   }