diff --git a/mozilla/lib/libmocha/Makefile.in b/mozilla/lib/libmocha/Makefile.in
index cccaa018006..37193b20aa9 100644
--- a/mozilla/lib/libmocha/Makefile.in
+++ b/mozilla/lib/libmocha/Makefile.in
@@ -30,7 +30,7 @@ LIBRARY_NAME	= mocha
 REQUIRES	= lay parse img js style layer applet dbm nspr security \
 		  htmldlgs util jtools pref caps java libreg softupdt jsdebug \
 		  netcache network httpurl plugin plugimpl mocha oji ojiimpl xpcom \
-		  layout
+		  layout rdf
 
 ifdef DOM
 EXPORTS		= lm_dom.h                        # required by layout