diff --git a/content/change-logs/device-management/ui-c8y-1020-40-1-fieldbus-write-register.md b/content/change-logs/device-management/ui-c8y-1020-40-1-fieldbus-write-register.md
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+---
+date: ""
+title: Values for registers and coils in the "Fieldbus device" widget can be modified properly
+product_area: Device management & connectivity
+change_type:
+  - value: change-VSkj2iV9m
+    label: Fix
+component:
+  - value: component--KIsStyzM
+    label: Device Management app
+build_artifact:
+  - value: tc-pjJiURv9Y
+    label: ui-c8y
+ticket: DM-4002
+version: 1020.40.1
+---
+In the "Fieldbus device" widget, modifying registers and coils by clicking the **Set** button did not work properly. This issue has been fixed and an operation to update the values will be triggered as intended.
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