diff --git a/server/game.js b/server/game.js
index b7f7d39..3868283 100644
--- a/server/game.js
+++ b/server/game.js
@@ -27,17 +27,8 @@ export default class Game {
       room: this.room,
       worldTime: this.worldTime,
     });
-    this.informTicker = new Ticker(1 / 40);
-    this.informTicker.on('tick', () => {
-      // Inform entities of the new state.
-      for (let i = 0; i < this.informables.length; ++i) {
-        const entity = this.informables[i];
-        if (!entity.socket) {
-          continue;
-        }
-        entity.inform(this.synchronizer.state);
-      }
-    });
+    this.informTicker = new Ticker(config.informInterval);
+    this.informTicker.on('tick', this.inform, this);
     // Simulation.
     this.mainLoopHandle = setInterval(
       this.createMainLoop(),
@@ -102,8 +93,17 @@ export default class Game {
     };
   }
 
+  inform() {
+    // Inform entities of the new state.
+    for (let i = 0; i < this.informables.length; ++i) {
+      const entity = this.informables[i];
+      entity.inform(this.synchronizer.state);
+    }
+  }
+
   readConfig() {
     return {
+      informInterval: 1 / 40,
       simulationInterval: 1 / 80,
     };
   }
diff --git a/server/traits/informed.trait.js b/server/traits/informed.trait.js
index 1dbb8db..230ec2d 100644
--- a/server/traits/informed.trait.js
+++ b/server/traits/informed.trait.js
@@ -211,6 +211,9 @@ export class Informed extends decorate(Trait) {
     return {
 
       inform: (state) => {
+        if (!this._socket) {
+          return;
+        }
         // Reduce state.
         const reducedState = this.reduceState(state);
         // Take a pure JS diff.