diff --git a/plugins/autocast/package.json b/plugins/autocast/package.json
index 7c86cddd6..67a1ea621 100644
--- a/plugins/autocast/package.json
+++ b/plugins/autocast/package.json
@@ -16,7 +16,7 @@
     "build": "parcel build",
     "dev": "parcel watch",
     "check": "tsc ./**/*.ts --noEmit --esModuleInterop",
-    "test": "jest ./**/*.spec.ts --config=../../jest.config.js --runInBand"
+    "test": "TZ=GMT jest ./**/*.spec.ts --config=../../jest.config.js --runInBand"
   },
   "keywords": [],
   "author": "Alex Hollenbeck",
diff --git a/plugins/autocast/src/autocast.plugin.spec.ts b/plugins/autocast/src/autocast.plugin.spec.ts
index 7da0d50c4..c424361ec 100644
--- a/plugins/autocast/src/autocast.plugin.spec.ts
+++ b/plugins/autocast/src/autocast.plugin.spec.ts
@@ -14,7 +14,7 @@ describe('autocast plugin', () => {
     describe.each(['1.1', 1.1])('should return a decimal', (num) => {
       expect(castNumber(num)).toBe(1.1)
     })
-    it('should return a number', () => {
+    it('string numbers with commas should return a number', () => {
       expect(castNumber('1,100')).toBe(1100)
     })
     describe.each(TRUTHY_VALUES)('should return a truthy boolean', (truthy) => {