diff --git a/browser/app/profile/extensions/Makefile.in b/browser/app/profile/extensions/Makefile.in
index 20e6510b671..5215d22fe32 100644
--- a/browser/app/profile/extensions/Makefile.in
+++ b/browser/app/profile/extensions/Makefile.in
@@ -23,7 +23,7 @@ include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/rules.mk
 
 FILES := \
-	extensions.rdf \
+	Extensions.rdf \
 	$(NULL)
 
 FILES := $(addprefix $(srcdir)/, $(FILES))