diff --git a/packages/jest-cli/src/cli/args.ts b/packages/jest-cli/src/cli/args.ts
index f4df152c52b5..01a10e61059b 100644
--- a/packages/jest-cli/src/cli/args.ts
+++ b/packages/jest-cli/src/cli/args.ts
@@ -511,8 +511,8 @@ export const options = {
   runProjects: {
     // TODO: write a proper description
     description: 'TODO',
-    string: true as true,
-    type: 'array' as 'array',
+    string: true,
+    type: 'array',
   },
   runTestsByPath: {
     default: false,