diff --git a/app/src/main/java/org/kiwix/kiwixmobile/localFileTransfer/WifiDirectManager.kt b/app/src/main/java/org/kiwix/kiwixmobile/localFileTransfer/WifiDirectManager.kt
index 0f020420c..d576a57e1 100644
--- a/app/src/main/java/org/kiwix/kiwixmobile/localFileTransfer/WifiDirectManager.kt
+++ b/app/src/main/java/org/kiwix/kiwixmobile/localFileTransfer/WifiDirectManager.kt
@@ -98,6 +98,7 @@ class WifiDirectManager @Inject constructor(
   // Whether the device is the file sender or not
   var isFileSender = false
     private set
+
   private var hasSenderStartedConnection = false
 
   /* Initialisations for using the WiFi P2P API */
diff --git a/app/src/main/java/org/kiwix/kiwixmobile/zim_manager/ZimManageActivity.kt b/app/src/main/java/org/kiwix/kiwixmobile/zim_manager/ZimManageActivity.kt
index e2044fc3c..ff543d282 100644
--- a/app/src/main/java/org/kiwix/kiwixmobile/zim_manager/ZimManageActivity.kt
+++ b/app/src/main/java/org/kiwix/kiwixmobile/zim_manager/ZimManageActivity.kt
@@ -98,9 +98,9 @@ class ZimManageActivity : BaseActivity() {
   private fun setUpToolbar() {
     val toolbar = findViewById<Toolbar>(R.id.toolbar)
     setSupportActionBar(toolbar)
-    supportActionBar!!.setHomeButtonEnabled(true)
-    supportActionBar!!.setDisplayHomeAsUpEnabled(true)
-    supportActionBar!!.setTitle(R.string.library)
+    supportActionBar?.setHomeButtonEnabled(true)
+    supportActionBar?.setDisplayHomeAsUpEnabled(true)
+    supportActionBar?.setTitle(R.string.library)
     toolbar.setNavigationOnClickListener { onBackPressed() }
     toolbar.setOnClickListener {
       if (manageViewPager.currentItem == 1)