diff --git a/src/client/graphics/layers/EventsDisplay.ts b/src/client/graphics/layers/EventsDisplay.ts
index d2e857a86..4d5fefa5f 100644
--- a/src/client/graphics/layers/EventsDisplay.ts
+++ b/src/client/graphics/layers/EventsDisplay.ts
@@ -241,7 +241,7 @@ export class EventsDisplay extends LitElement implements Layer {
 
   private checkForAllianceExpirations() {
     const myPlayer = this.game.myPlayer();
-    if (!myPlayer) return;
+    if (!myPlayer?.isAlive()) return;
 
     for (const alliance of myPlayer.alliances()) {
       if (
@@ -262,6 +262,7 @@ export class EventsDisplay extends LitElement implements Layer {
       this.alliancesCheckedAt.set(alliance.id, this.game.ticks());
 
       const other = this.game.player(alliance.other) as PlayerView;
+      if (!other.isAlive()) continue;
 
       this.addEvent({
         description: translateText("events_display.about_to_expire", {
diff --git a/src/core/execution/alliance/AllianceExtensionExecution.ts b/src/core/execution/alliance/AllianceExtensionExecution.ts
index e43693f89..e0cb14d4d 100644
--- a/src/core/execution/alliance/AllianceExtensionExecution.ts
+++ b/src/core/execution/alliance/AllianceExtensionExecution.ts
@@ -20,6 +20,14 @@ export class AllianceExtensionExecution implements Execution {
       return;
     }
     const to = mg.player(this.toID);
+
+    if (!this.from.isAlive() || !to.isAlive()) {
+      console.info(
+        `[AllianceExtensionExecution] Player ${this.from.id()} or ${this.toID} is not alive`,
+      );
+      return;
+    }
+
     const alliance = this.from.allianceWith(to);
     if (!alliance) {
       console.warn(
@@ -35,12 +43,12 @@ export class AllianceExtensionExecution implements Execution {
       alliance.extend();
 
       mg.displayMessage(
-        "alliance.renewed",
+        "events_display.alliance_renewed",
         MessageType.ALLIANCE_ACCEPTED,
         this.from.id(),
       );
       mg.displayMessage(
-        "alliance.renewed",
+        "events_display.alliance_renewed",
         MessageType.ALLIANCE_ACCEPTED,
         this.toID,
       );