diff --git a/make-it/EmMakefile b/make-it/EmMakefile
index 2c711959a..371a7e449 100644
--- a/make-it/EmMakefile
+++ b/make-it/EmMakefile
@@ -182,8 +182,7 @@ $(OBJS):
 	@$(MKDIR) -p $(OBJS)
 
 $(PREJS) $(POSTJS): $(CORESOURCEDIR)/vireo.wrapper.js
-	npm run lint
-	node splitVireoWrapper.js $(CORESOURCEDIR)/vireo.wrapper.js $(PREJS) $(POSTJS)
+	npm run split-wrapper -- $(PREJS) $(POSTJS)
 
 vjs: $(DIST)/vireo.js $(DIST)/vireo.min.js
 
diff --git a/package.json b/package.json
index 7e8efff14..f62cdc243 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,8 @@
     "lint-markdown-style": "markdownlint {./*.md,./docs/*.md}",
     "prehttpbin": "python -V && pip -V && virtualenv --version && tox --version",
     "httpbin": "tox",
-    "httpbin-start": "start cmd /c npm run httpbin"
+    "httpbin-start": "start cmd /c npm run httpbin",
+    "split-wrapper": "node make-it/splitVireoWrapper.js source/core/vireo.wrapper.js"
   },
   "repository": {
     "type": "git",