diff --git a/app/src/main/java/org/akuatech/ksupatcher/root/RootShell.kt b/app/src/main/java/org/akuatech/ksupatcher/root/RootShell.kt
index 39706d5..b0e4872 100644
--- a/app/src/main/java/org/akuatech/ksupatcher/root/RootShell.kt
+++ b/app/src/main/java/org/akuatech/ksupatcher/root/RootShell.kt
@@ -84,9 +84,9 @@ object RootShell {
         }
     }
 
-    fun isRooted(): Boolean {
+    suspend fun isRooted(): Boolean = withContext(Dispatchers.IO) {
         val (success, out, _) = runRootBlock("id")
-        return success && out.contains("uid=0(root)")
+        success && out.contains("uid=0(root)")
     }
 
     suspend fun run(vararg cmds: String): String = withContext(Dispatchers.IO) {
diff --git a/app/src/main/java/org/akuatech/ksupatcher/viewmodel/MainViewModel.kt b/app/src/main/java/org/akuatech/ksupatcher/viewmodel/MainViewModel.kt
index eb70cd6..e0b471f 100644
--- a/app/src/main/java/org/akuatech/ksupatcher/viewmodel/MainViewModel.kt
+++ b/app/src/main/java/org/akuatech/ksupatcher/viewmodel/MainViewModel.kt
@@ -135,7 +135,7 @@ class MainViewModel(
 
     fun refreshRootStatus() {
         _state.update { it.copy(isCheckingRoot = true) }
-        viewModelScope.launch(Dispatchers.IO) {
+        viewModelScope.launch {
             val isRooted = RootShell.isRooted()
             val status = if (isRooted) RootStatus.GRANTED else RootStatus.NOT_GRANTED
             settingsRepository.setRootStatus(status.name)