diff --git a/mozilla/xpcom/base/IIDS.h b/mozilla/xpcom/base/IIDS.h
index 80aa300b583..c16a290a3e8 100644
--- a/mozilla/xpcom/base/IIDS.h
+++ b/mozilla/xpcom/base/IIDS.h
@@ -1109,7 +1109,7 @@ nsHTMLEncoder = { /* a6cf9104-15b3-11d2-932e-00805f8add32 */
     0x11d2,
     {0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}
   };
-INTERFACENAME = { /* a6cf9105-15b3-11d2-932e-00805f8add32 */
+nsIDOMNSHTMLSelectElement = { /* a6cf9105-15b3-11d2-932e-00805f8add32 */
     0xa6cf9105,
     0x15b3,
     0x11d2,