diff --git a/xpfe/components/sidebar/Makefile.in b/xpfe/components/sidebar/Makefile.in
index 182a887ffed2..27a7893891c9 100644
--- a/xpfe/components/sidebar/Makefile.in
+++ b/xpfe/components/sidebar/Makefile.in
@@ -22,7 +22,7 @@ VPATH		= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
 
-DIRS		= resources
+DIRS		= public resources src
 
 include $(topsrcdir)/config/rules.mk
 
diff --git a/xpfe/components/sidebar/makefile.win b/xpfe/components/sidebar/makefile.win
index 710979b57716..97034f2e46b8 100644
--- a/xpfe/components/sidebar/makefile.win
+++ b/xpfe/components/sidebar/makefile.win
@@ -17,6 +17,6 @@
 
 DEPTH=..\..\..
 
-DIRS= resources
+DIRS= public src resources
 
 include <$(DEPTH)\config\rules.mak>