diff --git a/htmlparser/src/Makefile.in b/htmlparser/src/Makefile.in
index 5d88edd39ffa..1a41798853e6 100644
--- a/htmlparser/src/Makefile.in
+++ b/htmlparser/src/Makefile.in
@@ -61,6 +61,7 @@ EXPORTS =     \
 	nshtmlpars.h    \
 	nsIContentSink.h  \
 	nsITokenizer.h \
+	nsIExpatTokenizer.h \
 	nsIHTMLContentSink.h  \
 	nsHTMLContentSinkStream.h \
 	nsHTMLEntities.h \
diff --git a/parser/htmlparser/src/Makefile.in b/parser/htmlparser/src/Makefile.in
index 5d88edd39ffa..1a41798853e6 100644
--- a/parser/htmlparser/src/Makefile.in
+++ b/parser/htmlparser/src/Makefile.in
@@ -61,6 +61,7 @@ EXPORTS =     \
 	nshtmlpars.h    \
 	nsIContentSink.h  \
 	nsITokenizer.h \
+	nsIExpatTokenizer.h \
 	nsIHTMLContentSink.h  \
 	nsHTMLContentSinkStream.h \
 	nsHTMLEntities.h \