diff --git a/src/ble/actions.ts b/src/ble/actions.ts
index ec52d7e5..0847fd7a 100644
--- a/src/ble/actions.ts
+++ b/src/ble/actions.ts
@@ -29,6 +29,10 @@ export enum BleDeviceActionType {
      * The device was disconnected.
      */
     DidDisconnect = 'ble.device.action.didDisconnect',
+    /**
+     * The device fail to disconnect.
+     */
+    DidFailToDisconnect = 'ble.device.action.didFailToDisconnect',
 }
 
 export type BleDeviceConnectAction = Action<BleDeviceActionType.Connect>;
@@ -114,6 +118,15 @@ export function didDisconnect(): BleDeviceDidDisconnectAction {
     return { type: BleDeviceActionType.DidDisconnect };
 }
 
+export type BleDeviceDidFailToDisconnectAction = Action<BleDeviceActionType.DidFailToDisconnect>;
+
+/**
+ * Creates an action that indicates a device failed to disconnect.
+ */
+export function didFailToDisconnect(): BleDeviceDidFailToDisconnectAction {
+    return { type: BleDeviceActionType.DidFailToDisconnect };
+}
+
 /**
  * Common type for all BLE connection actions.
  */
@@ -122,7 +135,8 @@ export type BLEConnectAction =
     | BleDeviceDidConnectAction
     | BleDeviceDidFailToConnectAction
     | BleDeviceDisconnectAction
-    | BleDeviceDidDisconnectAction;
+    | BleDeviceDidDisconnectAction
+    | BleDeviceDidFailToDisconnectAction;
 
 /**
  * High-level BLE actions.
diff --git a/src/ble/reducers.test.ts b/src/ble/reducers.test.ts
index cb5edd73..51389e75 100644
--- a/src/ble/reducers.test.ts
+++ b/src/ble/reducers.test.ts
@@ -8,6 +8,7 @@ import {
     didConnect,
     didDisconnect,
     didFailToConnect,
+    didFailToDisconnect,
     disconnect,
 } from './actions';
 import reducers, { BleConnectionState } from './reducers';
@@ -47,4 +48,10 @@ test('connection', () => {
             didDisconnect(),
         ).connection,
     ).toBe(BleConnectionState.Disconnected);
+    expect(
+        reducers(
+            { connection: BleConnectionState.Disconnecting } as State,
+            didFailToDisconnect(),
+        ).connection,
+    ).toBe(BleConnectionState.Connected);
 });
diff --git a/src/ble/reducers.ts b/src/ble/reducers.ts
index f22d0dcb..6dbc3758 100644
--- a/src/ble/reducers.ts
+++ b/src/ble/reducers.ts
@@ -38,6 +38,7 @@ const connection: Reducer<BleConnectionState, Action> = (
         case BleDeviceActionType.Connect:
             return BleConnectionState.Connecting;
         case BleDeviceActionType.DidConnect:
+        case BleDeviceActionType.DidFailToDisconnect:
             return BleConnectionState.Connected;
         case BleDeviceActionType.Disconnect:
             return BleConnectionState.Disconnecting;