diff --git a/library/src/main/java/com/afollestad/assent/internal/Extensions.kt b/library/src/main/java/com/afollestad/assent/internal/Extensions.kt
index e92401e..8e851b1 100644
--- a/library/src/main/java/com/afollestad/assent/internal/Extensions.kt
+++ b/library/src/main/java/com/afollestad/assent/internal/Extensions.kt
@@ -79,13 +79,10 @@ internal fun FragmentActivity.transact(action: FragmentTransaction.(Context) ->
   }
 
 internal fun Fragment.transact(action: FragmentTransaction.(Context) -> Unit) {
-  val fm = fragmentManager ?: throw IllegalStateException(
-      "Fragment manager unexpectedly null."
-  )
-  fm.beginTransaction()
+  childFragmentManager.beginTransaction()
       .apply {
         action(activity ?: throw IllegalStateException("Fragment's activity is null."))
         commit()
       }
-  fm.executePendingTransactions()
+  childFragmentManager.executePendingTransactions()
 }
diff --git a/sample/src/main/java/com/afollestad/assentsample/fragment/ExampleChildFragment.kt b/sample/src/main/java/com/afollestad/assentsample/fragment/ExampleChildFragment.kt
index b5efda6..223b8e8 100644
--- a/sample/src/main/java/com/afollestad/assentsample/fragment/ExampleChildFragment.kt
+++ b/sample/src/main/java/com/afollestad/assentsample/fragment/ExampleChildFragment.kt
@@ -7,6 +7,7 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import com.afollestad.assent.Permission.CALL_PHONE
+import com.afollestad.assent.Permission.READ_CALENDAR
 import com.afollestad.assent.Permission.WRITE_EXTERNAL_STORAGE
 import com.afollestad.assent.askForPermissions
 import com.afollestad.assentsample.R.layout
@@ -27,8 +28,10 @@ class ExampleChildFragment : Fragment() {
     savedInstanceState: Bundle?
   ) {
     super.onViewCreated(view, savedInstanceState)
-    requestPermissionButtonChild.setOnClickListener {
-      askForPermissions(WRITE_EXTERNAL_STORAGE, CALL_PHONE) { }
+    askForPermissions(CALL_PHONE) {
+      requestPermissionButtonChild.setOnClickListener {
+        askForPermissions(WRITE_EXTERNAL_STORAGE, CALL_PHONE) { }
+      }
     }
   }
 }
\ No newline at end of file