diff --git a/browser/locales/Makefile.in b/browser/locales/Makefile.in
index 9b29d43285a2..ea93d20578c2 100644
--- a/browser/locales/Makefile.in
+++ b/browser/locales/Makefile.in
@@ -170,6 +170,11 @@ include $(call EXPAND_LOCALE_SRCDIR,toolkit/locales)/installer/windows/charset.m
 repackage-win32-installer: WIN32_INSTALLER_OUT=$(_ABS_DIST)/install/sea/$(PKG_BASENAME).installer.exe
 repackage-win32-installer: $(WIN32_INSTALLER_IN)
 	@echo "Repackaging $(WIN32_INSTALLER_IN) into $(WIN32_INSTALLER_OUT)."
+ifdef MOZ_BRANDING_DIRECTORY
+	$(MAKE) -C $(DEPTH)/$(MOZ_BRANDING_DIRECTORY) export
+else
+	$(MAKE) -C ../installer/windows export
+endif
 	if test ! -d $(dir $(WIN32_INSTALLER_OUT)); then \
 	  $(NSINSTALL) -D $(dir $(WIN32_INSTALLER_OUT)); \
 	fi