diff --git a/mozilla/suite/themes/modern/Makefile.in b/mozilla/suite/themes/modern/Makefile.in
index 7db47e1bcaf..fa0d287e963 100644
--- a/mozilla/suite/themes/modern/Makefile.in
+++ b/mozilla/suite/themes/modern/Makefile.in
@@ -20,11 +20,13 @@
 #
 
 DEPTH		= ../..
+THEME_ROOT_DEPTH = .
 topsrcdir	= @top_srcdir@
 srcdir		= @srcdir@
 VPATH		= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
+include $(THEME_ROOT_DEPTH)/theme.mk
 
 DIRS		= communicator global navigator editor messenger