diff --git a/src/panels/config/areas/dialog-area-registry-detail.ts b/src/panels/config/areas/dialog-area-registry-detail.ts
index 92162d8877..4223185d5a 100644
--- a/src/panels/config/areas/dialog-area-registry-detail.ts
+++ b/src/panels/config/areas/dialog-area-registry-detail.ts
@@ -82,7 +82,7 @@ class DialogAreaDetail
 
   @state() private _params?: AreaRegistryDetailDialogParams;
 
-  @state() private _submitting?: boolean;
+  @state() private _submitting = false;
 
   @state() private _open = false;
 
@@ -378,7 +378,7 @@ class DialogAreaDetail
           <ha-button
             slot="primaryAction"
             @click=${this._updateEntry}
-            .disabled=${nameInvalid || !!this._submitting}
+            .disabled=${nameInvalid || this._submitting}
           >
             ${entry
               ? this.hass.localize("ui.common.save")