diff --git a/content/svg/content/src/Makefile.in b/content/svg/content/src/Makefile.in
index 49994d1a3420..65d043e3255c 100644
--- a/content/svg/content/src/Makefile.in
+++ b/content/svg/content/src/Makefile.in
@@ -45,6 +45,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= content
 LIBRARY_NAME	= gkcontentsvg_s
+LIBXUL_LIBRARY	= 1
 REQUIRES	= xpcom \
 		  string \
 		  layout \
diff --git a/content/svg/document/src/Makefile.in b/content/svg/document/src/Makefile.in
index c48ce5e50123..45eff6d5b14c 100644
--- a/content/svg/document/src/Makefile.in
+++ b/content/svg/document/src/Makefile.in
@@ -44,6 +44,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= svg_doc
 LIBRARY_NAME	= gkconsvgdoc_s
+LIBXUL_LIBRARY	= 1
 REQUIRES	= content \
 		  layout \
 		  widget \