diff --git a/mozilla/webshell/tests/viewer/Makefile.in b/mozilla/webshell/tests/viewer/Makefile.in
index a9d05087441..f6eae4cd379 100644
--- a/mozilla/webshell/tests/viewer/Makefile.in
+++ b/mozilla/webshell/tests/viewer/Makefile.in
@@ -99,6 +99,10 @@ XP_DIST_LIBS		= \
 			$(JSJ_LIB) \
 			$(NULL)
 
+ifdef MOZ_FULLCIRCLE
+XP_DIST_LIBS		+= $(FULLCIRCLE_LIBS)
+endif
+
 XP_LIBS			= \
 			$(XP_DIST_LIBS) \
 			$(NSPR_LIBS) \