diff --git a/__tests__/comment-upserter.test.ts b/__tests__/comment-upserter.test.ts
index 2c18215..7fe71d1 100644
--- a/__tests__/comment-upserter.test.ts
+++ b/__tests__/comment-upserter.test.ts
@@ -3,7 +3,11 @@ import {RestEndpointMethodTypes} from '@octokit/plugin-rest-endpoint-methods'
 import {RestEndpointMethods} from '@octokit/plugin-rest-endpoint-methods/dist-types/generated/method-types.d'
 import {EqualMatchingInjectorConfig, It, Mock, Times} from 'moq.ts'
 
-import {CommentUpserterImpl, DEFAULT_COMMENT_PREAMBLE, FOOTER} from '../src/comment-upserter'
+import {
+  CommentUpserterImpl,
+  DEFAULT_COMMENT_PREAMBLE,
+  FOOTER
+} from '../src/comment-upserter'
 import {Repo} from '../src/github-types'
 
 describe('CommentUpserterImpl', () => {
@@ -67,16 +71,15 @@ describe('CommentUpserterImpl', () => {
       })
 
       it('creates a comment', async () => {
-        const expectedCommentBody =
-          [
-            DEFAULT_COMMENT_PREAMBLE,
-            '| File Patterns | Mentions |',
-            '| - | - |',
-            '| db/migrate/\\*\\* | @cto, @dba |',
-            '| .github/\\*\\*<br>spec/\\*.rb | @ci |',
-            '',
-            FOOTER
-          ].join('\n')
+        const expectedCommentBody = [
+          DEFAULT_COMMENT_PREAMBLE,
+          '| File Patterns | Mentions |',
+          '| - | - |',
+          '| db/migrate/\\*\\* | @cto, @dba |',
+          '| .github/\\*\\*<br>spec/\\*.rb | @ci |',
+          '',
+          FOOTER
+        ].join('\n')
 
         issuesMock
           .setup(instance => instance.createComment(It.IsAny()))
@@ -102,17 +105,16 @@ describe('CommentUpserterImpl', () => {
           preamble: 'Added you as a subscriber.',
           epilogue: '> [CodeMention](https://github.com/tobyhs/codemention)'
         }
-        const expectedCommentBody =
-          [
-            customContent.preamble,
-            '| File Patterns | Mentions |',
-            '| - | - |',
-            '| db/migrate/\\*\\* | @cto, @dba |',
-            '| .github/\\*\\*<br>spec/\\*.rb | @ci |',
-            '',
-            customContent.epilogue,
-            FOOTER
-          ].join('\n')
+        const expectedCommentBody = [
+          customContent.preamble,
+          '| File Patterns | Mentions |',
+          '| - | - |',
+          '| db/migrate/\\*\\* | @cto, @dba |',
+          '| .github/\\*\\*<br>spec/\\*.rb | @ci |',
+          '',
+          customContent.epilogue,
+          FOOTER
+        ].join('\n')
 
         issuesMock
           .setup(instance => instance.createComment(It.IsAny()))
@@ -138,19 +140,19 @@ describe('CommentUpserterImpl', () => {
       describe('and the comment is different', () => {
         describe('and the comment has the sentinel at the start', () => {
           it('updates the comment', async () => {
-            const expectedCommentBody =
-            [
+            const expectedCommentBody = [
               DEFAULT_COMMENT_PREAMBLE,
               '| File Patterns | Mentions |',
               '| - | - |',
               '| db/migrate/\\*\\* | @cto, @dba |',
               '| .github/\\*\\*<br>spec/\\*.rb | @ci |',
               '',
-              FOOTER,
+              FOOTER
             ].join('\n')
 
             // previous version of the action put the sentinel comment at the start
-            const existingComment = FOOTER + '| config/brakeman.yml | @security |'
+            const existingComment =
+              FOOTER + '| config/brakeman.yml | @security |'
             stubListComments(['First', existingComment])
 
             issuesMock
@@ -175,18 +177,18 @@ describe('CommentUpserterImpl', () => {
 
         describe('and the comment has the sentinel at the end', () => {
           it('updates the comment', async () => {
-            const expectedCommentBody =
-            [
+            const expectedCommentBody = [
               DEFAULT_COMMENT_PREAMBLE,
               '| File Patterns | Mentions |',
               '| - | - |',
               '| db/migrate/\\*\\* | @cto, @dba |',
               '| .github/\\*\\*<br>spec/\\*.rb | @ci |',
               '',
-              FOOTER,
+              FOOTER
             ].join('\n')
 
-            const existingComment = '| config/brakeman.yml | @security |' + FOOTER
+            const existingComment =
+              '| config/brakeman.yml | @security |' + FOOTER
             stubListComments(['First', existingComment])
 
             issuesMock
@@ -212,8 +214,7 @@ describe('CommentUpserterImpl', () => {
 
       describe('and the comment is the same', () => {
         it('does not update the comment', async () => {
-          const commentBody =
-          [
+          const commentBody = [
             DEFAULT_COMMENT_PREAMBLE,
             '| File Patterns | Mentions |',
             '| - | - |',
diff --git a/__tests__/fixtures/codemention.yml b/__tests__/fixtures/codemention.yml
index 5d8f069..1027443 100644
--- a/__tests__/fixtures/codemention.yml
+++ b/__tests__/fixtures/codemention.yml
@@ -3,7 +3,7 @@ commentConfiguration:
   epilogue: 'testing epilogue'
 rules:
   - patterns: ['config/**']
-    mentions: ['sysadmin']
+    mentions: ['sysadmin', 'testlogin']
   - patterns: ['db/migrate/**']
     mentions: ['cto', 'dba']
   - patterns: ['.github/**', 'spec/*.rb']
diff --git a/__tests__/runner.test.ts b/__tests__/runner.test.ts
index c1aa8ea..2ed2799 100644
--- a/__tests__/runner.test.ts
+++ b/__tests__/runner.test.ts
@@ -33,7 +33,10 @@ describe('Runner', () => {
     pullRequest = {
       number: prNumber,
       base: {sha: baseSha},
-      draft: false
+      draft: false,
+      user: {
+        login: 'testlogin'
+      }
     } as PullRequest
     context = {
       repo,
diff --git a/src/runner.ts b/src/runner.ts
index b8a1165..3a75094 100644
--- a/src/runner.ts
+++ b/src/runner.ts
@@ -6,6 +6,7 @@ import micromatch from 'micromatch'
 import {CommentUpserter} from './comment-upserter'
 import {ConfigurationReader} from './configuration-reader'
 import {FilesChangedReader} from './files-changed-reader'
+import {MentionRule} from './configuration'
 
 /**
  * @see {@link run}
@@ -40,9 +41,20 @@ export default class Runner {
       this.configurationReader.read(repo, pullRequest.base.sha),
       this.filesChangedReader.read(repo, pullRequest.number)
     ])
-    const matchingRules = configuration.rules.filter(
-      rule => micromatch(filesChanged, rule.patterns).length > 0
-    )
+
+    const matchingRules = configuration.rules
+      // filter to rules that match
+      .filter(rule => micromatch(filesChanged, rule.patterns).length > 0)
+      // filter out the PR author from mentions so that they don't get double-notified
+      .map((rule: MentionRule) => ({
+        ...rule,
+        mentions: rule.mentions.filter(
+          mention => mention !== pullRequest.user.login
+        )
+      }))
+      // filter out the rules that no longer have mentions due to author filtering
+      .filter(rule => rule.mentions.length > 0)
+
     await this.commentUpserter.upsert(
       repo,
       pullRequest.number,