diff --git a/mozilla/toolkit/components/Makefile.in b/mozilla/toolkit/components/Makefile.in
index 7a1db0b625f..a4a8cb2d4ae 100644
--- a/mozilla/toolkit/components/Makefile.in
+++ b/mozilla/toolkit/components/Makefile.in
@@ -6,7 +6,7 @@ VPATH   = @srcdir@
 include $(DEPTH)/config/autoconf.mk
 
 ifdef MOZ_THUNDERBIRD
-DIRS = console
+DIRS = console filepicker
 else
 DIRS = autocomplete console filepicker history satchel viewsource build
 endif