diff --git a/ansible/install_config/group_vars/rpm_version.yml b/ansible/install_config/group_vars/rpm_version.yml
index f25c4213..f46165ac 100644
--- a/ansible/install_config/group_vars/rpm_version.yml
+++ b/ansible/install_config/group_vars/rpm_version.yml
@@ -63,4 +63,4 @@ tsg_master_rpm_version:
   tsg_master: tsg_master-4.2.3.6c3f53d
 
 tsg_diagnose_rpm_version:
-  tsg-diagnose: tsg-diagnose-21.03.01.39beba7
+  tsg_diagnose: tsg-diagnose-21.03.01.39beba7
diff --git a/ansible/roles/tsg-diagnose/tasks/main.yml b/ansible/roles/tsg-diagnose/tasks/main.yml
index 6bf9a544..c7cfd5b5 100644
--- a/ansible/roles/tsg-diagnose/tasks/main.yml
+++ b/ansible/roles/tsg-diagnose/tasks/main.yml
@@ -6,7 +6,7 @@
 - name: "Install tsg-diagnose rpm package"
   yum:
     name:
-      - "{{ tsg_diagnose_rpm_version.tsg-diagnose }}"
+      - "{{ tsg_diagnose_rpm_version.tsg_diagnose }}"
     conf_file: "{{ rpm_repo_config_path }}"
     state: present