diff --git a/common/changes/@rushstack/eslint-patch/fix-4454-bulk-suppression-in-polyrepo_2023-12-13-21-38.json b/common/changes/@rushstack/eslint-patch/fix-4454-bulk-suppression-in-polyrepo_2023-12-13-21-38.json
new file mode 100644
index 00000000000..6183c079dd8
--- /dev/null
+++ b/common/changes/@rushstack/eslint-patch/fix-4454-bulk-suppression-in-polyrepo_2023-12-13-21-38.json
@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@rushstack/eslint-patch",
+      "comment": "Fix bulk suppression patch's eslintrc detection in polyrepos",
+      "type": "patch"
+    }
+  ],
+  "packageName": "@rushstack/eslint-patch"
+}
\ No newline at end of file
diff --git a/eslint/eslint-patch/src/eslint-bulk-suppressions/bulk-suppressions-patch.ts b/eslint/eslint-patch/src/eslint-bulk-suppressions/bulk-suppressions-patch.ts
index 6648f120d7e..11e4cd4d7d3 100644
--- a/eslint/eslint-patch/src/eslint-bulk-suppressions/bulk-suppressions-patch.ts
+++ b/eslint/eslint-patch/src/eslint-bulk-suppressions/bulk-suppressions-patch.ts
@@ -74,7 +74,7 @@ export function getGitRootPath(): string {
 export const GitRootPath = getGitRootPath();
 
 function findEslintrcDirectory(fileAbsolutePath: string): string {
-  for (let currentDir = fileAbsolutePath; currentDir !== GitRootPath; currentDir = path.dirname(currentDir))
+  for (let currentDir = fileAbsolutePath; currentDir.startsWith(GitRootPath); currentDir = path.dirname(currentDir))
     if (['.eslintrc.js', '.eslintrc.cjs'].some((eslintrc) => fs.existsSync(path.join(currentDir, eslintrc))))
       return currentDir;
   throw new Error('Cannot locate eslintrc');