diff --git a/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubAppCredentials.java b/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubAppCredentials.java
index 1619c784e..be8f52980 100644
--- a/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubAppCredentials.java
+++ b/src/main/java/org/jenkinsci/plugins/github_branch_source/GitHubAppCredentials.java
@@ -41,6 +41,7 @@
 import jenkins.util.JenkinsJVM;
 import net.sf.json.JSONObject;
 import org.apache.commons.lang3.StringUtils;
+import org.jenkinsci.Symbol;
 import org.jenkinsci.plugins.github_branch_source.app_credentials.AccessSpecifiedRepositories;
 import org.jenkinsci.plugins.github_branch_source.app_credentials.AccessibleRepositories;
 import org.jenkinsci.plugins.github_branch_source.app_credentials.DefaultPermissionsStrategy;
@@ -785,6 +786,7 @@ public AppInstallationToken call() throws RuntimeException {
     }
 
     /** {@inheritDoc} */
+    @Symbol("gitHubApp")
     @Extension
     public static class DescriptorImpl extends BaseStandardCredentialsDescriptor {