diff --git a/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/index.tsx b/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/index.tsx
index b0626e16c57a..33e9db1dc894 100644
--- a/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/index.tsx
+++ b/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/index.tsx
@@ -6,6 +6,7 @@ import {
   Input,
   IOption,
 } from '@citizenlab/cl2-component-library';
+import { pick } from 'lodash-es';
 import { filter } from 'rxjs/operators';
 import { CLErrors, Multiloc } from 'typings';
 
@@ -91,7 +92,13 @@ const PhaseParticipationConfig = ({
   const { formatMessage } = useIntl();
   const [participationConfig, setParticipationConfig] =
     useState<IPhaseParticipationConfig>(
-      phase ? phase.data.attributes : ideationDefaultConfig
+      // Only use the attributes from phase that are relevant to participation config
+      phase
+        ? (pick(
+            phase.data.attributes,
+            Object.keys(defaultParticipationConfig)
+          ) as IPhaseParticipationConfig)
+        : ideationDefaultConfig
     );
 
   const [noLikingLimitError, setNoLikingLimitError] =
diff --git a/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/utils/participationMethodConfigs.ts b/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/utils/participationMethodConfigs.ts
index fa3ff97de374..62ac9d4f0ccd 100644
--- a/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/utils/participationMethodConfigs.ts
+++ b/front/app/containers/Admin/projects/project/phase/phaseParticipationConfig/utils/participationMethodConfigs.ts
@@ -34,10 +34,8 @@ export interface IPhaseParticipationConfig {
   document_annotation_embed_url?: string | null;
 }
 
-export const defaultParticipationConfig: Omit<
-  IPhaseParticipationConfig,
-  'participation_method'
-> = {
+export const defaultParticipationConfig: IPhaseParticipationConfig = {
+  participation_method: 'ideation',
   posting_enabled: true,
   commenting_enabled: true,
   reacting_enabled: true,
diff --git a/front/app/containers/Admin/projects/project/timeline/edit.tsx b/front/app/containers/Admin/projects/project/timeline/edit.tsx
index 4b174e9b703a..506d4fdcbf3e 100644
--- a/front/app/containers/Admin/projects/project/timeline/edit.tsx
+++ b/front/app/containers/Admin/projects/project/timeline/edit.tsx
@@ -140,20 +140,6 @@ const AdminPhaseEdit = () => {
     }
   }, [phaseFiles]);
 
-  const getAttributeDiff = useCallback(
-    (
-      participationContextConfig: IPhaseParticipationConfig,
-      attributeDiff: IUpdatedPhaseProperties
-    ) => {
-      // Important to keep the order of the spread operators
-      return {
-        ...participationContextConfig,
-        ...attributeDiff,
-      };
-    },
-    []
-  );
-
   const handlePhaseParticipationConfigChange = useCallback(
     (participationContextConfig: IPhaseParticipationConfig) => {
       const surveyCTALabel = tenantLocales?.reduce((acc, locale) => {
@@ -173,8 +159,10 @@ const AdminPhaseEdit = () => {
       }, {});
 
       setSubmitState('enabled');
+      // Important to keep the order of the spread operators
       setAttributeDiff((attributeDiff) => ({
-        ...getAttributeDiff(participationContextConfig, attributeDiff),
+        ...attributeDiff,
+        ...participationContextConfig,
         ...(participationContextConfig.participation_method ===
           'native_survey' &&
           !attributeDiff.native_survey_button_multiloc &&
@@ -193,7 +181,6 @@ const AdminPhaseEdit = () => {
       formatMessageWithLocale,
       phase?.data.attributes.native_survey_button_multiloc,
       tenantLocales,
-      getAttributeDiff,
     ]
   );
 
@@ -311,11 +298,11 @@ const AdminPhaseEdit = () => {
   const handlePhaseParticipationConfigSubmit = (
     participationContextConfig: IPhaseParticipationConfig
   ) => {
-    const newAttributeDiff = getAttributeDiff(
-      participationContextConfig,
-      attributeDiff
-    );
-    save(projectId, phase?.data, newAttributeDiff);
+    // Important to keep the order of the spread operators
+    save(projectId, phase?.data, {
+      ...attributeDiff,
+      ...participationContextConfig,
+    });
   };
 
   const handleError = (error: { errors: CLErrors }) => {