diff --git a/actioncable/app/assets/javascripts/action_cable.js b/actioncable/app/assets/javascripts/action_cable.js
index a68c76f299..280adbfa83 100644
--- a/actioncable/app/assets/javascripts/action_cable.js
+++ b/actioncable/app/assets/javascripts/action_cable.js
@@ -3,8 +3,8 @@
 })(this, function(exports) {
   "use strict";
   var adapters = {
-    logger: window.console,
-    WebSocket: window.WebSocket
+    logger: self.console,
+    WebSocket: self.WebSocket
   };
   var logger = {
     log: function log() {
@@ -49,7 +49,7 @@
         this.startedAt = now();
         delete this.stoppedAt;
         this.startPolling();
-        document.addEventListener("visibilitychange", this.visibilityDidChange);
+        addEventListener("visibilitychange", this.visibilityDidChange);
         logger.log("ConnectionMonitor started. pollInterval = " + this.getPollInterval() + " ms");
       }
     };
@@ -57,7 +57,7 @@
       if (this.isRunning()) {
         this.stoppedAt = now();
         this.stopPolling();
-        document.removeEventListener("visibilitychange", this.visibilityDidChange);
+        removeEventListener("visibilitychange", this.visibilityDidChange);
         logger.log("ConnectionMonitor stopped");
       }
     };
diff --git a/actioncable/app/javascript/action_cable/adapters.js b/actioncable/app/javascript/action_cable/adapters.js
index 9ba6d338ee..4de8131438 100644
--- a/actioncable/app/javascript/action_cable/adapters.js
+++ b/actioncable/app/javascript/action_cable/adapters.js
@@ -1,4 +1,4 @@
 export default {
-  logger: window.console,
-  WebSocket: window.WebSocket
+  logger: self.console,
+  WebSocket: self.WebSocket
 }
diff --git a/actioncable/app/javascript/action_cable/connection_monitor.js b/actioncable/app/javascript/action_cable/connection_monitor.js
index f0e75ae137..312a71d154 100644
--- a/actioncable/app/javascript/action_cable/connection_monitor.js
+++ b/actioncable/app/javascript/action_cable/connection_monitor.js
@@ -21,7 +21,7 @@ class ConnectionMonitor {
       this.startedAt = now()
       delete this.stoppedAt
       this.startPolling()
-      document.addEventListener("visibilitychange", this.visibilityDidChange)
+      addEventListener("visibilitychange", this.visibilityDidChange)
       logger.log(`ConnectionMonitor started. pollInterval = ${this.getPollInterval()} ms`)
     }
   }
@@ -30,7 +30,7 @@ class ConnectionMonitor {
     if (this.isRunning()) {
       this.stoppedAt = now()
       this.stopPolling()
-      document.removeEventListener("visibilitychange", this.visibilityDidChange)
+      removeEventListener("visibilitychange", this.visibilityDidChange)
       logger.log("ConnectionMonitor stopped")
     }
   }
diff --git a/actioncable/test/javascript/src/unit/action_cable_test.js b/actioncable/test/javascript/src/unit/action_cable_test.js
index daad900aca..83426fa32e 100644
--- a/actioncable/test/javascript/src/unit/action_cable_test.js
+++ b/actioncable/test/javascript/src/unit/action_cable_test.js
@@ -6,14 +6,14 @@ const {module, test} = QUnit
 module("ActionCable", () => {
   module("Adapters", () => {
     module("WebSocket", () => {
-      test("default is window.WebSocket", assert => {
-        assert.equal(ActionCable.adapters.WebSocket, window.WebSocket)
+      test("default is self.WebSocket", assert => {
+        assert.equal(ActionCable.adapters.WebSocket, self.WebSocket)
       })
     })
 
     module("logger", () => {
-      test("default is window.console", assert => {
-        assert.equal(ActionCable.adapters.logger, window.console)
+      test("default is self.console", assert => {
+        assert.equal(ActionCable.adapters.logger, self.console)
       })
     })
   })