diff --git a/test/Microsoft.AspNet.Diagnostics.Tests/project.json b/test/Microsoft.AspNet.Diagnostics.Tests/project.json
index 8c5fe2b045..6ff8d441c4 100644
--- a/test/Microsoft.AspNet.Diagnostics.Tests/project.json
+++ b/test/Microsoft.AspNet.Diagnostics.Tests/project.json
@@ -1,6 +1,6 @@
 {
     "compilationOptions": {
-        "warningsAsErrors": "true"
+        "warningsAsErrors": true
     },
     "dependencies": {
         "Microsoft.AspNet.Diagnostics.Elm": "1.0.0-*",