diff --git a/browser/components/shell/src/Makefile.in b/browser/components/shell/src/Makefile.in
index e54510e153a1..284d85be2568 100644
--- a/browser/components/shell/src/Makefile.in
+++ b/browser/components/shell/src/Makefile.in
@@ -59,6 +59,7 @@ REQUIRES	= \
 		  gfx \
                   widget \
 		  pref \
+		  layout \
 		  $(NULL)
 
 ifeq ($(OS_ARCH),WINNT)