--- a/testing/testsuite-targets.mk
+++ b/testing/testsuite-targets.mk
@@ -530,16 +530,17 @@ endif
 	$(NSINSTALL) $(topsrcdir)/startupcache/test/TestStartupCacheTelemetry.js $(PKG_STAGE)/cppunittests
 	$(NSINSTALL) $(topsrcdir)/startupcache/test/TestStartupCacheTelemetry.manifest $(PKG_STAGE)/cppunittests
 
 stage-jittest:
 	$(NSINSTALL) -D $(PKG_STAGE)/jit-test/tests
 	cp -RL $(topsrcdir)/js/src/jsapi.h $(PKG_STAGE)/jit-test
 	cp -RL $(topsrcdir)/js/src/jit-test $(PKG_STAGE)/jit-test/jit-test
 	cp -RL $(topsrcdir)/js/src/tests/ecma_6 $(PKG_STAGE)/jit-test/tests/ecma_6
+	cp -RL $(topsrcdir)/js/src/tests/js1_8_5 $(PKG_STAGE)/jit-test/tests/js1_8_5
 	cp -RL $(topsrcdir)/js/src/tests/lib $(PKG_STAGE)/jit-test/tests/lib
 
 stage-steeplechase:
 	$(NSINSTALL) -D $(PKG_STAGE)/steeplechase/
 	cp -RL $(DEPTH)/_tests/steeplechase $(PKG_STAGE)/steeplechase/tests
 	cp -RL $(DIST)/xpi-stage/specialpowers $(PKG_STAGE)/steeplechase
 	cp -RL $(topsrcdir)/testing/profiles/prefs_general.js $(PKG_STAGE)/steeplechase