diff --git a/.github/workflows/__export-file-baseline-information.yml b/.github/workflows/__export-file-baseline-information.yml
index 4ce8b4028..acdb09908 100644
--- a/.github/workflows/__export-file-baseline-information.yml
+++ b/.github/workflows/__export-file-baseline-information.yml
@@ -124,4 +124,5 @@ jobs:
     env:
       CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
       CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
+      CODEQL_ACTION_PER_LANGUAGE_BUNDLES: false
       CODEQL_ACTION_TEST_MODE: true
diff --git a/pr-checks/checks/export-file-baseline-information.yml b/pr-checks/checks/export-file-baseline-information.yml
index c5d5d12dd..5f409ef8f 100644
--- a/pr-checks/checks/export-file-baseline-information.yml
+++ b/pr-checks/checks/export-file-baseline-information.yml
@@ -11,6 +11,8 @@ installDotNet: true
 env:
   CODEQL_ACTION_SKIP_FILE_COVERAGE_ON_PRS: false
   CODEQL_ACTION_SUBLANGUAGE_FILE_COVERAGE: true
+  # Per-language bundles only report file baseline information for their own language.
+  CODEQL_ACTION_PER_LANGUAGE_BUNDLES: false
 steps:
   - uses: ./../action/init
     id: init