diff --git a/mozilla/htmlparser/src/nsParser.cpp b/mozilla/htmlparser/src/nsParser.cpp
index 66776d39a51..7d49933515d 100644
--- a/mozilla/htmlparser/src/nsParser.cpp
+++ b/mozilla/htmlparser/src/nsParser.cpp
@@ -31,6 +31,9 @@
 #include "CNavDTD.h"
 #include "nsWellFormedDTD.h"
 #include "nsViewSourceHTML.h" //uncomment this to partially enable viewsource...
+#ifdef EXPAT
+  #include "nsExpatDTD.h"
+#endif
 
 #undef rickgdebug
 #ifdef  rickgdebug
diff --git a/mozilla/parser/htmlparser/src/nsParser.cpp b/mozilla/parser/htmlparser/src/nsParser.cpp
index 66776d39a51..7d49933515d 100644
--- a/mozilla/parser/htmlparser/src/nsParser.cpp
+++ b/mozilla/parser/htmlparser/src/nsParser.cpp
@@ -31,6 +31,9 @@
 #include "CNavDTD.h"
 #include "nsWellFormedDTD.h"
 #include "nsViewSourceHTML.h" //uncomment this to partially enable viewsource...
+#ifdef EXPAT
+  #include "nsExpatDTD.h"
+#endif
 
 #undef rickgdebug
 #ifdef  rickgdebug