diff --git a/mozilla/webshell/tests/viewer/Makefile.in b/mozilla/webshell/tests/viewer/Makefile.in
index 33408b11069..03efe4f8bda 100644
--- a/mozilla/webshell/tests/viewer/Makefile.in
+++ b/mozilla/webshell/tests/viewer/Makefile.in
@@ -101,6 +101,7 @@ LIBS = \
 	-lftpurl \
 	-lgophurl \
 	-lhttpurl \
+	-lsockstuburl \
 	-limg \
 	$(JPEG_LIBS) \
 	$(PNG_LIBS) \