diff --git a/android/app/src/main/kotlin/deckers/thibault/aves/model/provider/MediaStoreImageProvider.kt b/android/app/src/main/kotlin/deckers/thibault/aves/model/provider/MediaStoreImageProvider.kt
index 7b1b7b190..a7dbecf71 100644
--- a/android/app/src/main/kotlin/deckers/thibault/aves/model/provider/MediaStoreImageProvider.kt
+++ b/android/app/src/main/kotlin/deckers/thibault/aves/model/provider/MediaStoreImageProvider.kt
@@ -710,6 +710,7 @@ class MediaStoreImageProvider : ImageProvider() {
         // note that `DocumentFile.getParentFile()` returns null if we did not pick a tree first
         val targetTreeFile = targetDirDocFile.createFile(mimeType, targetNameWithoutExtension)
         val targetDocFile = DocumentFileCompat.fromSingleUri(activity, targetTreeFile.uri)
+        // TODO TLAD [missing extension] check whether targetDocFile.name has a valid extension
 
         try {
             targetDocFile.openOutputStream().use(write)
diff --git a/android/app/src/main/kotlin/deckers/thibault/aves/utils/MimeTypes.kt b/android/app/src/main/kotlin/deckers/thibault/aves/utils/MimeTypes.kt
index c0bef41c9..8d9d53f1a 100644
--- a/android/app/src/main/kotlin/deckers/thibault/aves/utils/MimeTypes.kt
+++ b/android/app/src/main/kotlin/deckers/thibault/aves/utils/MimeTypes.kt
@@ -168,6 +168,7 @@ object MimeTypes {
         HEIC, HEIF -> ".heif"
         MP2T, MP2TS -> ".m2ts"
         PSD_VND, PSD_X -> ".psd"
+        // TODO TLAD [missing extension] check whether to define more manual mapping and raise exception on miss
         else -> MimeTypeMap.getSingleton().getExtensionFromMimeType(mimeType)?.let { ".$it" }
     }