diff --git a/frontend/src/app/shared/components/testnet-alert/testnet-alert.component.html b/frontend/src/app/shared/components/testnet-alert/testnet-alert.component.html
index 7e87e312b..8aedc4947 100644
--- a/frontend/src/app/shared/components/testnet-alert/testnet-alert.component.html
+++ b/frontend/src/app/shared/components/testnet-alert/testnet-alert.component.html
@@ -5,6 +5,9 @@
       @if (stateService.network === 'testnet') {
         <span i18n="testnet3-deprecated">Testnet3 is deprecated, and will soon be replaced by <a href="/testnet4">Testnet4</a></span>
       }
+      @if (stateService.network === 'testnet4') {
+        <span i18n="testnet4-not-finalized">Testnet4 is not yet finalized, and may be reset at anytime.</span>
+      }
     </div>
     <button type="button" class="close" (click)="dismissWarning()">
       <span aria-hidden="true">&times;</span>