diff --git a/webshell/tests/viewer/Makefile.in b/webshell/tests/viewer/Makefile.in
index 2c4a97fa469d..6ee21be638ff 100644
--- a/webshell/tests/viewer/Makefile.in
+++ b/webshell/tests/viewer/Makefile.in
@@ -29,7 +29,7 @@ include $(DEPTH)/config/autoconf.mk
 DIRS			:= public
 
 MODULE			= webshell_tests
-REQUIRES		= xpcom string webshell widget layout dom webbrwsr docshell util uriloader locale necko htmlparser view timer unicharutil pref intl editor chardet cookie gfx2
+REQUIRES		= xpcom string webshell widget layout dom webbrwsr docshell util uriloader locale necko htmlparser view timer unicharutil pref intl editor chardet cookie gfx2 txmgr
 
 PROGRAM			:= viewer$(BIN_SUFFIX)