diff --git a/app/src/main/java/fr/free/nrw/commons/upload/categories/UploadCategoriesFragment.kt b/app/src/main/java/fr/free/nrw/commons/upload/categories/UploadCategoriesFragment.kt
index af889467a..e46fdf45f 100644
--- a/app/src/main/java/fr/free/nrw/commons/upload/categories/UploadCategoriesFragment.kt
+++ b/app/src/main/java/fr/free/nrw/commons/upload/categories/UploadCategoriesFragment.kt
@@ -220,7 +220,7 @@ class UploadCategoriesFragment : UploadBaseFragment(), CategoriesContract.View {
     }
 
     override fun goToNextScreen() {
-        callback?.let { it.onNextButtonClicked(it.getIndexInViewFlipper(this)) }
+        callback.let { it.onNextButtonClicked(it.getIndexInViewFlipper(this)) }
     }
 
     override fun showNoCategorySelected() {
@@ -322,8 +322,7 @@ class UploadCategoriesFragment : UploadBaseFragment(), CategoriesContract.View {
             mediaDetailFragment.onResume()
             goBackToPreviousScreen()
         } else {
-            callback?.let { it.onPreviousButtonClicked(it.getIndexInViewFlipper(this)) }
-
+            callback.let { it.onPreviousButtonClicked(it.getIndexInViewFlipper(this)) }
         }
     }