diff --git a/package.json b/package.json
index f044185c..50f76b46 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "@ledgerhq/hw-app-xrp": "^4.13.0",
     "@ledgerhq/hw-transport": "^4.13.0",
     "@ledgerhq/hw-transport-node-hid": "^4.13.0",
-    "@ledgerhq/ledger-core": "2.0.0-rc.1",
+    "@ledgerhq/ledger-core": "2.0.0-rc.3",
     "@ledgerhq/live-common": "2.31.0",
     "async": "^2.6.1",
     "axios": "^0.18.0",
diff --git a/src/commands/libcoreHardReset.js b/src/commands/libcoreHardReset.js
index a195d520..e8cad9b4 100644
--- a/src/commands/libcoreHardReset.js
+++ b/src/commands/libcoreHardReset.js
@@ -1,20 +1,21 @@
 // @flow
 
 import { createCommand } from 'helpers/ipc'
-import { Observable } from 'rxjs'
+import { fromPromise } from 'rxjs/observable/fromPromise'
 import withLibcore from 'helpers/withLibcore'
+import createCustomErrorClass from 'helpers/createCustomErrorClass'
+
+const HardResetFail = createCustomErrorClass('HardResetFail')
 
 const cmd = createCommand('libcoreHardReset', () =>
-  Observable.create(o => {
+  fromPromise(
     withLibcore(async core => {
-      try {
-        core.getPoolInstance().eraseDataSince(new Date(0))
-        o.complete()
-      } catch (e) {
-        o.error(e)
+      const result = await core.getPoolInstance().eraseDataSince(new Date(0))
+      if (result !== core.ERROR_CODE.FUTURE_WAS_SUCCESSFULL) {
+        throw new HardResetFail(`Hard reset fail with ${result} (check core.ERROR_CODE)`)
       }
-    })
-  }),
+    }),
+  ),
 )
 
 export default cmd
diff --git a/src/helpers/hardReset.js b/src/helpers/hardReset.js
index 24477872..aacbdd87 100644
--- a/src/helpers/hardReset.js
+++ b/src/helpers/hardReset.js
@@ -5,9 +5,7 @@ import db from 'helpers/db'
 import { delay } from 'helpers/promise'
 
 export default async function hardReset() {
-  // TODO: wait for the libcoreHardReset to be finished
-  // actually, libcore doesnt goes back to js thread
-  await Promise.race([libcoreHardReset.send().toPromise(), delay(500)])
+  await libcoreHardReset.send()
   disableDBMiddleware()
   db.resetAll()
   await delay(500)
diff --git a/static/i18n/en/errors.yml b/static/i18n/en/errors.yml
index 108a9402..768cd711 100644
--- a/static/i18n/en/errors.yml
+++ b/static/i18n/en/errors.yml
@@ -20,3 +20,4 @@ DeviceSocketFail: Device socket failure
 DeviceSocketNoBulkStatus: Device socket failure (bulk)
 DeviceSocketNoHandler: Device socket failure (handler {{query}})
 LatestMCUInstalledError: The latest MCU is already installed on the Device
+HardResetFail: Hard reset failure