diff --git a/mozilla/extensions/help/resources/Makefile.in b/mozilla/extensions/help/resources/Makefile.in
index 34490eb62fd..ad190994753 100644
--- a/mozilla/extensions/help/resources/Makefile.in
+++ b/mozilla/extensions/help/resources/Makefile.in
@@ -30,4 +30,4 @@ include $(topsrcdir)/config/rules.mk
 
 install::
 	$(REGCHROME) content help help.jar
-	$(REGCHROME) locale en-US/help help.jar
+	$(REGCHROME) locale en-US/help en-US.jar
diff --git a/mozilla/extensions/help/resources/makefile.win b/mozilla/extensions/help/resources/makefile.win
index ac8372d42fa..a583327b085 100644
--- a/mozilla/extensions/help/resources/makefile.win
+++ b/mozilla/extensions/help/resources/makefile.win
@@ -27,4 +27,4 @@ include <$(DEPTH)\config\rules.mak>
 
 chrome::
 	$(REGCHROME) content help help.jar
-	$(REGCHROME) locale en-US/help help.jar
+	$(REGCHROME) locale en-US/help en-US.jar