diff --git a/.github/actions/add-jira-issue-code-to-pull-request/AddJiraIssueCodeToPullRequest.ps1 b/.github/actions/add-jira-issue-code-to-pull-request/Add-JiraIssueCodeToPullRequest.ps1
similarity index 100%
rename from .github/actions/add-jira-issue-code-to-pull-request/AddJiraIssueCodeToPullRequest.ps1
rename to .github/actions/add-jira-issue-code-to-pull-request/Add-JiraIssueCodeToPullRequest.ps1
diff --git a/.github/actions/add-jira-issue-code-to-pull-request/action.yml b/.github/actions/add-jira-issue-code-to-pull-request/action.yml
index 30ef49828..1579ee22c 100644
--- a/.github/actions/add-jira-issue-code-to-pull-request/action.yml
+++ b/.github/actions/add-jira-issue-code-to-pull-request/action.yml
@@ -16,13 +16,16 @@ runs:
       # run during push, for example). See https://github.com/Lombiq/GitHub-Actions/issues/72 for details.
       if: github.event.pull_request == '' || github.event.pull_request.head.repo.fork == false
       shell: pwsh
+      env:
+        PR_TITLE: ${{ github.event.pull_request.title }}
+        PR_BODY: ${{ github.event.pull_request.body }}
       run: |
         $params = @{
             JiraBaseUrl = $Env:JIRA_BASE_URL ? $Env:JIRA_BASE_URL : "https://lombiq.atlassian.net"
             GitHubRepository = $Env:GITHUB_REPOSITORY
             Branch = $Env:GITHUB_HEAD_REF
-            Title = "${{ github.event.pull_request.title }}"
-            Body = "${{ github.event.pull_request.body }}"
+            Title = $Env:PR_TITLE
+            Body = $Env:PR_BODY
             PullRequestID = ${{ github.event.number }}
         }
-        AddJiraIssueCodeToPullRequest @params
+        Add-JiraIssueCodeToPullRequest @params
diff --git a/.github/workflows/validate-pull-request.yml b/.github/workflows/validate-pull-request.yml
index c03cd1f4e..76892bc08 100644
--- a/.github/workflows/validate-pull-request.yml
+++ b/.github/workflows/validate-pull-request.yml
@@ -16,7 +16,7 @@ jobs:
     steps:
     - name: Add Jira Issue Code to Pull Request
       if: github.event.pull_request != ''
-      uses: Lombiq/GitHub-Actions/.github/actions/add-jira-issue-code-to-pull-request@dev
+      uses: Lombiq/GitHub-Actions/.github/actions/add-jira-issue-code-to-pull-request@issue/OSOE-515
       env:
         JIRA_BASE_URL: ${{ secrets.JIRA_BASE_URL }}
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}