diff --git a/mobile/src/main/java/com/github/shadowsocks/ProfilesFragment.kt b/mobile/src/main/java/com/github/shadowsocks/ProfilesFragment.kt
index 7a62830c..7ae8a8eb 100644
--- a/mobile/src/main/java/com/github/shadowsocks/ProfilesFragment.kt
+++ b/mobile/src/main/java/com/github/shadowsocks/ProfilesFragment.kt
@@ -229,7 +229,7 @@ class ProfilesFragment : ToolbarFragment(), Toolbar.OnMenuItemClickListener {
         }
 
         override fun onBindViewHolder(holder: ProfileViewHolder, position: Int) = holder.bind(profiles[position])
-        override fun onCreateViewHolder(parent: ViewGroup?, viewType: Int): ProfileViewHolder = ProfileViewHolder(
+        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ProfileViewHolder = ProfileViewHolder(
                 LayoutInflater.from(parent!!.context).inflate(R.layout.layout_profile, parent, false))
         override fun getItemCount(): Int = profiles.size
         override fun getItemId(position: Int): Long = profiles[position].id.toLong()