diff --git a/mozilla/parser/htmlparser/public/nsIParser.h b/mozilla/parser/htmlparser/public/nsIParser.h
index fd0ce6a67a7..a6b3a815cd7 100644
--- a/mozilla/parser/htmlparser/public/nsIParser.h
+++ b/mozilla/parser/htmlparser/public/nsIParser.h
@@ -53,10 +53,10 @@
 #include "nsStringGlue.h"
 #include "nsVoidArray.h"
 
-// {26C4ABBE-A462-4110-A0A6-244BF39AE7D4}
+// {d49b492c-1bdb-4b41-a138-9495a72fc11c}
 #define NS_IPARSER_IID \
-{ 0x26c4abbe, 0xa462, 0x4110, \
-  { 0xa0, 0xa6, 0x24, 0x4b, 0xf3, 0x9a, 0xe7, 0xd4 } }
+{ 0xd49b492c, 0x1bdb, 0x4b41, \
+  { 0xa1, 0x38, 0x94, 0x95, 0xa7, 0x2f, 0xc1, 0x1c } }
 
 
 // {41421C60-310A-11d4-816F-000064657374}