diff --git a/intl/uconv/src/nsCharsetMenu.cpp b/intl/uconv/src/nsCharsetMenu.cpp
index 7f89ebcb1635..abcedce2fc5f 100644
--- a/intl/uconv/src/nsCharsetMenu.cpp
+++ b/intl/uconv/src/nsCharsetMenu.cpp
@@ -79,10 +79,16 @@ DEFINE_RDF_VOCAB(RDF_NAMESPACE_URI, NC, type);
 class nsMenuItem
 {
 public: 
+  // memory & ref counting & leak prevention stuff
+  nsMenuItem() { MOZ_COUNT_CTOR(nsMenuItem); }
+  ~nsMenuItem() { MOZ_COUNT_DTOR(nsMenuItem); }
+
   nsCOMPtr<nsIAtom> mCharset;
   nsAutoString      mTitle;
 };
 
+MOZ_DECL_CTOR_COUNTER(nsMenuItem);
+
 //----------------------------------------------------------------------------
 // Class nsCharsetMenu [declaration]