diff --git a/__tests__/main.test.ts b/__tests__/main.test.ts
index aad95e56..6fea323a 100644
--- a/__tests__/main.test.ts
+++ b/__tests__/main.test.ts
@@ -2262,3 +2262,201 @@ test('a PR with an exempted milestone and with an exempted issue milestone will
   expect(processor.closedIssues.length).toStrictEqual(0);
   expect(processor.removedLabelIssues.length).toStrictEqual(0);
 });
+
+test('processing an issue opened since 2 days and with the option "daysBeforeIssueStale" at 3 will not make it stale', async () => {
+  expect.assertions(2);
+  const opts: IssueProcessorOptions = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: 10,
+    daysBeforeIssueStale: 3
+  };
+  let issueDate = new Date();
+  issueDate.setDate(issueDate.getDate() - 2);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      opts,
+      1,
+      'An issue with no label',
+      issueDate.toDateString(),
+    )
+  ];
+  const processor = new IssueProcessor(
+    opts,
+    async () => 'abot',
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+  
+  // process our fake issue list
+  await processor.processIssues(1);
+  
+  expect(processor.staleIssues.length).toEqual(0);
+  expect(processor.closedIssues.length).toEqual(0);
+});
+
+test('processing an issue opened since 2 days and with the option "daysBeforeIssueStale" at 2 will make it stale', async () => {
+  expect.assertions(2);
+  const opts: IssueProcessorOptions = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: 10,
+    daysBeforeIssueStale: 2
+  };
+  let issueDate = new Date();
+  issueDate.setDate(issueDate.getDate() - 2);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      opts,
+      1,
+      'An issue with no label',
+      issueDate.toDateString(),
+    )
+  ];
+  const processor = new IssueProcessor(
+    opts,
+    async () => 'abot',
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+  
+  // process our fake issue list
+  await processor.processIssues(1);
+  
+  expect(processor.staleIssues.length).toEqual(1);
+  expect(processor.closedIssues.length).toEqual(0);
+});
+
+test('processing an issue opened since 2 days and with the option "daysBeforeIssueStale" at 1 will make it stale', async () => {
+  expect.assertions(2);
+  const opts: IssueProcessorOptions = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: 10,
+    daysBeforeIssueStale: 1
+  };
+  let issueDate = new Date();
+  issueDate.setDate(issueDate.getDate() - 2);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      opts,
+      1,
+      'An issue with no label',
+      issueDate.toDateString(),
+    )
+  ];
+  const processor = new IssueProcessor(
+    opts,
+    async () => 'abot',
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+  
+  // process our fake issue list
+  await processor.processIssues(1);
+  
+  expect(processor.staleIssues.length).toEqual(1);
+  expect(processor.closedIssues.length).toEqual(0);
+});
+
+test('processing a pull request opened since 2 days and with the option "daysBeforePrStale" at 3 will not make it stale', async () => {
+  expect.assertions(2);
+  const opts: IssueProcessorOptions = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: 10,
+    daysBeforePrStale: 3
+  };
+  let issueDate = new Date();
+  issueDate.setDate(issueDate.getDate() - 2);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      opts,
+      1,
+      'A pull request with no label',
+      issueDate.toDateString(),
+      issueDate.toDateString(),
+      true
+    )
+  ];
+  const processor = new IssueProcessor(
+    opts,
+    async () => 'abot',
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+  
+  // process our fake issue list
+  await processor.processIssues(1);
+  
+  expect(processor.staleIssues.length).toEqual(0);
+  expect(processor.closedIssues.length).toEqual(0);
+});
+
+test('processing a pull request opened since 2 days and with the option "daysBeforePrStale" at 2 will make it stale', async () => {
+  expect.assertions(2);
+  const opts: IssueProcessorOptions = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: 10,
+    daysBeforePrStale: 2
+  };
+  let issueDate = new Date();
+  issueDate.setDate(issueDate.getDate() - 2);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      opts,
+      1,
+      'A pull request with no label',
+      issueDate.toDateString(),
+      issueDate.toDateString(),
+      true
+    )
+  ];
+  const processor = new IssueProcessor(
+    opts,
+    async () => 'abot',
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+  
+  // process our fake issue list
+  await processor.processIssues(1);
+  
+  expect(processor.staleIssues.length).toEqual(1);
+  expect(processor.closedIssues.length).toEqual(0);
+});
+
+test('processing a pull request opened since 2 days and with the option "daysBeforePrStale" at 1 will make it stale', async () => {
+  expect.assertions(2);
+  const opts: IssueProcessorOptions = {
+    ...DefaultProcessorOptions,
+    daysBeforeStale: 10,
+    daysBeforePrStale: 1
+  };
+  let issueDate = new Date();
+  issueDate.setDate(issueDate.getDate() - 2);
+  const TestIssueList: Issue[] = [
+    generateIssue(
+      opts,
+      1,
+      'A pull request with no label',
+      issueDate.toDateString(),
+      issueDate.toDateString(),
+      true
+    )
+  ];
+  const processor = new IssueProcessor(
+    opts,
+    async () => 'abot',
+    async p => (p == 1 ? TestIssueList : []),
+    async (num, dt) => [],
+    async (issue, label) => new Date().toDateString()
+  );
+  
+  // process our fake issue list
+  await processor.processIssues(1);
+  
+  expect(processor.staleIssues.length).toEqual(1);
+  expect(processor.closedIssues.length).toEqual(0);
+});
diff --git a/src/IssueProcessor.ts b/src/IssueProcessor.ts
index f1c2d93d..f74260db 100644
--- a/src/IssueProcessor.ts
+++ b/src/IssueProcessor.ts
@@ -273,7 +273,7 @@ export class IssueProcessor {
       // should this issue be marked stale?
       const shouldBeStale = !IssueProcessor._updatedSince(
         issue.updated_at,
-        this.options.daysBeforeStale
+        daysBeforeStale
       );
 
       // determine if this issue needs to be marked stale first