diff --git a/files/ansible-playbooks/sot-updater.yml b/files/ansible-playbooks/sot-updater.yml
index 887f25d..af285bc 100644
--- a/files/ansible-playbooks/sot-updater.yml
+++ b/files/ansible-playbooks/sot-updater.yml
@@ -609,51 +609,57 @@
 
     - name: Dev1 | Derive scroll24 schedule summary
       delegate_to: localhost
-      vars:
-        cron_parts: "{{ scroll24_cron_line.split() if scroll24_cron_line|length > 0 else [] }}"
-        min_field: "{{ cron_parts[0] if cron_parts|length > 0 else '' }}"
-        hour_field: "{{ cron_parts[1] if cron_parts|length > 1 else '' }}"
-        every_n_minutes: >-
-          {{
-            (min_field is match('^\\*/[0-9]+$')) and (hour_field == '*')
-          }}
-        every_n_hours: >-
-          {{
-            hour_field is match('^\\*/[0-9]+$')
-          }}
-        interval_value: >-
-          {%- if every_n_minutes -%}
-            {{ min_field.split('/')[1] }}
-          {%- elif every_n_hours -%}
-            {{ hour_field.split('/')[1] }}
-          {%- else -%}
-            custom
-          {%- endif -%}
-        interval_unit: >-
-          {%- if every_n_minutes -%}
-            m
-          {%- elif every_n_hours -%}
-            h
-          {%- else -%}
-            ''
-          {%- endif -%}
-      set_fact:
-        scroll24_schedule: >-
-          {%- if scroll24_cron_line|length == 0 -%}
-            nocron
-          {%- elif interval_value == 'custom' or interval_unit|length == 0 -%}
-            custom
-          {%- else -%}
-            {{ interval_value ~ interval_unit }}
-          {%- endif -%}
+      shell: |
+        line="{{ scroll24_cron_line | default('') }}"
+
+        # No crontab hit or no scroll24.sh line
+        if [ -z "$line" ]; then
+          echo nocron
+          exit 0
+        fi
+
+        # Extract first 5 cron fields
+        min="$(echo "$line" | awk '{print $1}')"
+        hour="$(echo "$line" | awk '{print $2}')"
+
+        # Pattern 1: */N * * * *  -> every N minutes
+        case "$min" in
+          '*/'*)
+            n="${min#*/}"
+            if [ -n "$n" ]; then
+              echo "${n}m"
+              exit 0
+            fi
+            ;;
+        esac
+
+        # Pattern 2: M */H * * *  -> every H hours (we ignore the minute)
+        case "$hour" in
+          '*/'*)
+            h="${hour#*/}"
+            if [ -n "$h" ]; then
+              echo "${h}h"
+              exit 0
+            fi
+            ;;
+        esac
+
+        # Fallback
+        echo custom
+      args:
+        executable: /bin/bash
+      register: scroll24_sched_raw
+      changed_when: false
+      failed_when: false
 
     - name: Dev1 | Compute scroll24 value
       delegate_to: localhost
       set_fact:
+        scroll24_schedule: "{{ scroll24_sched_raw.stdout | default('') | trim }}"
         scroll24_value: >-
           {%- if not (scroll24_present | default(false)) -%}
             missing
-          {%- elif scroll24_schedule == 'nocron' -%}
+          {%- elif scroll24_schedule in ['nocron', ''] -%}
             {{ scroll24_ver_clean | default('v1') }}_nocron
           {%- elif scroll24_schedule == 'custom' -%}
             {{ scroll24_ver_clean | default('v1') }}_custom
@@ -693,6 +699,7 @@
           } | to_json }}"
           payload_encoding: "string"
       changed_when: false
+    
 
     # ----------------------- Dev1 wifidebug.sh check & publish -----------------------
     - name: Dev1 | Check wifidebug.sh presence