diff --git a/src/pages/dataElements/fields/CategoryComboField.tsx b/src/pages/dataElements/fields/CategoryComboField.tsx
index 584a17bd..50e9f434 100644
--- a/src/pages/dataElements/fields/CategoryComboField.tsx
+++ b/src/pages/dataElements/fields/CategoryComboField.tsx
@@ -1,9 +1,10 @@
 import i18n from '@dhis2/d2-i18n'
 import { Field } from '@dhis2/ui'
-import React, { useRef } from 'react'
-import { useField, useFormState } from 'react-final-form'
+import React, { useEffect, useRef } from 'react'
+import { useField, useForm, useFormState } from 'react-final-form'
 import { useHref } from 'react-router'
 import { CategoryComboSelect, EditableFieldWrapper } from '../../../components'
+import { useDefaultCategoryComboQuery } from '../../../lib'
 import classes from './CategoryComboField.module.css'
 
 const required = (value: { id: string }) => {
@@ -18,10 +19,15 @@ const required = (value: { id: string }) => {
  *        implemented
  *
  * Field rule: Disable when domainType is TRACKER
+ * Field rule: Set categoryCombo.id to the default category combo when
+ *             domainType is Tracker
  */
 export function CategoryComboField() {
+    const defaultCategoryComboQuery = useDefaultCategoryComboQuery()
+    const { change } = useForm()
     const { values } = useFormState({ subscription: { values: true } })
-    const disabled = values.domainType === 'TRACKER'
+    const domainTypeIsTracker = values.domainType === 'TRACKER'
+    const disabled = domainTypeIsTracker
     const validate = disabled ? undefined : required
     const newCategoryComboLink = useHref('/categoryCombos/new')
     const { input, meta } = useField('categoryCombo', {
@@ -36,6 +42,12 @@ export function CategoryComboField() {
         },
     })
 
+    useEffect(() => {
+        if (defaultCategoryComboQuery.data?.id && domainTypeIsTracker) {
+            change('categoryCombo.id', defaultCategoryComboQuery.data.id)
+        }
+    }, [change, defaultCategoryComboQuery.data?.id, domainTypeIsTracker])
+
     return (
         <EditableFieldWrapper
             dataTest="dataelementsformfields-categorycombo"