diff --git a/test/read_type.test.ts b/test/read_type.test.ts
index f82307e..c614fcd 100644
--- a/test/read_type.test.ts
+++ b/test/read_type.test.ts
@@ -129,7 +129,7 @@ describe('from_file', () => {
         file = undefined
     })
 
-    async function testing<T extends TSchema>(value: any | undefined, scheme: T, should_be_successful: boolean, data?: any) {
+    async function testing<T extends TSchema>(value: string | undefined, scheme: T, should_be_successful: boolean, data?: any) {
         file = fileSync()
 
         const name = file.name
@@ -153,7 +153,7 @@ describe('from_file', () => {
     }
 
     test('basic string', () => testing('Coucou', Type.String(), true, 'Coucou'))
-    test('basic number', () => testing(12, Type.Integer(), true, 12))
+    test('basic number', () => testing('12', Type.Integer(), true, 12))
     test('file does not exist', () => testing(undefined, Type.String(), false))
     test('Last empty line is trimmed', () => testing('Coucou\n\r\n ', Type.String(), true, 'Coucou'))
 })