diff --git a/layout/html/document/src/Makefile.in b/layout/html/document/src/Makefile.in
index 2522007cf4b..49aa3cd3a4d 100644
--- a/layout/html/document/src/Makefile.in
+++ b/layout/html/document/src/Makefile.in
@@ -28,7 +28,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= layout
 LIBRARY_NAME	= gkhtmldoc_s
-REQUIRES	= xpcom widget dom necko htmlparser locale view js intl webshell docshell cookie caps util timer uconv pref uriloader rdf chardet appshell nkcache shistory appcomps
+REQUIRES	= xpcom widget dom necko htmlparser locale view js intl webshell docshell cookie caps util timer uconv pref uriloader rdf chardet appshell nkcache shistory appcomps lwbrk
 
 CPPSRCS		= \
 		nsHTMLContentSink.cpp \