diff --git a/front/app/containers/Admin/projects/project/timeline/edit.tsx b/front/app/containers/Admin/projects/project/timeline/edit.tsx
index db6a295f94c9..506d4fdcbf3e 100644
--- a/front/app/containers/Admin/projects/project/timeline/edit.tsx
+++ b/front/app/containers/Admin/projects/project/timeline/edit.tsx
@@ -14,6 +14,7 @@ import {
   IconTooltip,
   colors,
 } from '@citizenlab/cl2-component-library';
+import { isEmpty } from 'lodash-es';
 import moment, { Moment } from 'moment';
 import { useParams } from 'react-router-dom';
 import { CLErrors, UploadFile, Multiloc } from 'typings';
@@ -362,47 +363,49 @@ const AdminPhaseEdit = () => {
     phase: IPhaseData | undefined,
     attributeDiff: IUpdatedPhaseProperties
   ) => {
-    if (!processing) {
+    if (!isEmpty(attributeDiff) && !processing) {
       setProcessing(true);
-      const start = getStartDate();
-      const end = phaseAttrs.end_at ? moment(phaseAttrs.end_at) : null;
-
-      // If the start date was automatically calculated, we need to update the dates in submit if even if the user didn't change them
-      const updatedAttr = {
-        ...attributeDiff,
-        ...(!attributeDiff.start_at &&
-          start && {
-            start_at: start.locale('en').format('YYYY-MM-DD'),
-            end_at:
-              attributeDiff.end_at ||
-              (end ? end.locale('en').format('YYYY-MM-DD') : ''),
-          }),
-      };
-
-      if (phase) {
-        updatePhase(
-          { phaseId: phase.id, ...updatedAttr },
-          {
-            onSuccess: (response) => {
-              handleSaveResponse(response, false);
-            },
-            onError: handleError,
-          }
-        );
-      } else if (projectId) {
-        addPhase(
-          {
-            projectId,
-            campaigns_settings: initialCampaignsSettings,
-            ...updatedAttr,
-          },
-          {
-            onSuccess: (response) => {
-              handleSaveResponse(response, true);
+      if (!isEmpty(attributeDiff)) {
+        const start = getStartDate();
+        const end = phaseAttrs.end_at ? moment(phaseAttrs.end_at) : null;
+
+        // If the start date was automatically calculated, we need to update the dates in submit if even if the user didn't change them
+        const updatedAttr = {
+          ...attributeDiff,
+          ...(!attributeDiff.start_at &&
+            start && {
+              start_at: start.locale('en').format('YYYY-MM-DD'),
+              end_at:
+                attributeDiff.end_at ||
+                (end ? end.locale('en').format('YYYY-MM-DD') : ''),
+            }),
+        };
+
+        if (phase) {
+          updatePhase(
+            { phaseId: phase.id, ...updatedAttr },
+            {
+              onSuccess: (response) => {
+                handleSaveResponse(response, false);
+              },
+              onError: handleError,
+            }
+          );
+        } else if (projectId) {
+          addPhase(
+            {
+              projectId,
+              campaigns_settings: initialCampaignsSettings,
+              ...updatedAttr,
             },
-            onError: handleError,
-          }
-        );
+            {
+              onSuccess: (response) => {
+                handleSaveResponse(response, true);
+              },
+              onError: handleError,
+            }
+          );
+        }
       }
     }
   };