diff --git a/src/data/update.ts b/src/data/update.ts
index 5423e4f477..1816bc8677 100644
--- a/src/data/update.ts
+++ b/src/data/update.ts
@@ -24,12 +24,13 @@ export enum UpdateEntityFeature {
 interface UpdateEntityAttributes extends HassEntityAttributeBase {
   auto_update: boolean | null;
   installed_version: string | null;
-  in_progress: boolean | number;
+  in_progress: boolean;
   latest_version: string | null;
   release_summary: string | null;
   release_url: string | null;
   skipped_version: string | null;
   title: string | null;
+  update_percentage: number | null;
 }
 
 export interface UpdateEntity extends HassEntityBase {
@@ -38,7 +39,7 @@ export interface UpdateEntity extends HassEntityBase {
 
 export const updateUsesProgress = (entity: UpdateEntity): boolean =>
   supportsFeature(entity, UpdateEntityFeature.PROGRESS) &&
-  typeof entity.attributes.in_progress === "number";
+  entity.attributes.update_percentage !== null;
 
 export const updateCanInstall = (
   entity: UpdateEntity,
@@ -49,7 +50,7 @@ export const updateCanInstall = (
   supportsFeature(entity, UpdateEntityFeature.INSTALL);
 
 export const updateIsInstalling = (entity: UpdateEntity): boolean =>
-  updateUsesProgress(entity) || !!entity.attributes.in_progress;
+  !!entity.attributes.in_progress;
 
 export const updateReleaseNotes = (hass: HomeAssistant, entityId: string) =>
   hass.callWS<string | null>({
@@ -183,10 +184,10 @@ export const computeUpdateStateDisplay = (
     if (updateIsInstalling(stateObj)) {
       const supportsProgress =
         supportsFeature(stateObj, UpdateEntityFeature.PROGRESS) &&
-        typeof attributes.in_progress === "number";
+        attributes.update_percentage !== null;
       if (supportsProgress) {
         return hass.localize("ui.card.update.installing_with_progress", {
-          progress: attributes.in_progress as number,
+          progress: attributes.update_percentage,
         });
       }
       return hass.localize("ui.card.update.installing");
diff --git a/src/dialogs/more-info/controls/more-info-update.ts b/src/dialogs/more-info/controls/more-info-update.ts
index 521d924589..1e7199e2c9 100644
--- a/src/dialogs/more-info/controls/more-info-update.ts
+++ b/src/dialogs/more-info/controls/more-info-update.ts
@@ -47,9 +47,9 @@ class MoreInfoUpdate extends LitElement {
     return html`
       ${this.stateObj.attributes.in_progress
         ? supportsFeature(this.stateObj, UpdateEntityFeature.PROGRESS) &&
-          typeof this.stateObj.attributes.in_progress === "number"
+          this.stateObj.attributes.update_percentage !== null
           ? html`<mwc-linear-progress
-              .progress=${this.stateObj.attributes.in_progress / 100}
+              .progress=${this.stateObj.attributes.update_percentage / 100}
               buffer=""
             ></mwc-linear-progress>`
           : html`<mwc-linear-progress indeterminate></mwc-linear-progress>`
diff --git a/src/dialogs/voice-assistant-setup/voice-assistant-setup-step-update.ts b/src/dialogs/voice-assistant-setup/voice-assistant-setup-step-update.ts
index a103fb6a9a..cdae8917ed 100644
--- a/src/dialogs/voice-assistant-setup/voice-assistant-setup-step-update.ts
+++ b/src/dialogs/voice-assistant-setup/voice-assistant-setup-step-update.ts
@@ -54,7 +54,7 @@ export class HaVoiceAssistantSetupStepUpdate extends LitElement {
     const stateObj = this.hass.states[this.updateEntityId];
 
     const progressIsNumeric =
-      typeof stateObj?.attributes.in_progress === "number";
+      typeof stateObj?.attributes.update_percentage !== null;
 
     return html`<div class="content">
       <img src="/static/icons/casita/loading.png" />
@@ -69,7 +69,7 @@ export class HaVoiceAssistantSetupStepUpdate extends LitElement {
       </p>
       <ha-circular-progress
         .value=${progressIsNumeric
-          ? stateObj.attributes.in_progress / 100
+          ? stateObj.attributes.update_percentage / 100
           : undefined}
         .indeterminate=${!progressIsNumeric}
       ></ha-circular-progress>
@@ -77,7 +77,7 @@ export class HaVoiceAssistantSetupStepUpdate extends LitElement {
         ${stateObj.state === "unavailable"
           ? "Restarting voice assistant"
           : progressIsNumeric
-            ? `Installing ${stateObj.attributes.in_progress}%`
+            ? `Installing ${stateObj.attributes.update_percentage}%`
             : ""}
       </p>
     </div>`;