diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1682795c4..91552f8bf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -101,7 +101,7 @@ jobs:
           emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
           ram-size: 4096M
           cores: 4
-          force-avd-creation: true
+          force-avd-creation: false
           sdcard-path-or-size: 2048M
           disable-animations: true
           heap-size: 512M
diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/downloader/DownloaderImpl.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/downloader/DownloaderImpl.kt
index 18e216eb1..151895ebd 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/downloader/DownloaderImpl.kt
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/downloader/DownloaderImpl.kt
@@ -20,6 +20,7 @@ package org.kiwix.kiwixmobile.core.downloader
 
 import android.annotation.SuppressLint
 import io.reactivex.Observable
+import io.reactivex.schedulers.Schedulers
 import org.kiwix.kiwixmobile.core.dao.DownloadRoomDao
 import org.kiwix.kiwixmobile.core.data.remote.KiwixService
 import org.kiwix.kiwixmobile.core.entity.LibraryNetworkEntity
@@ -38,6 +39,7 @@ class DownloaderImpl @Inject constructor(
   override fun download(book: LibraryNetworkEntity.Book) {
     urlProvider(book)
       .take(1)
+      .subscribeOn(Schedulers.io())
       .subscribe(
         {
           downloadRoomDao.addIfDoesNotExist(it, book, downloadRequester, sharedPreferenceUtil)