diff --git a/files/ansible-playbooks/sot-updater.yml b/files/ansible-playbooks/sot-updater.yml
index 66353dd..f61a7b2 100644
--- a/files/ansible-playbooks/sot-updater.yml
+++ b/files/ansible-playbooks/sot-updater.yml
@@ -336,6 +336,12 @@
       changed_when: false
       ignore_errors: true
 
+### added by pavel
+    - name: Debug output firmux variable
+      delegate_to: localhost
+      debug:
+        msg: "firmux caught: {{ dev2_firmux.stdout }}"      
+
     # Dev2: firmux-only selection (prefer a line that has "rev NNNN")
     - name: Dev2 | Prepare firmux lines list
       delegate_to: localhost