diff --git a/Telegram/SourceFiles/boxes/edit_caption_box.cpp b/Telegram/SourceFiles/boxes/edit_caption_box.cpp
index 1eda77c69..bd46d20f5 100644
--- a/Telegram/SourceFiles/boxes/edit_caption_box.cpp
+++ b/Telegram/SourceFiles/boxes/edit_caption_box.cpp
@@ -343,11 +343,8 @@ void EditCaptionBox::updateEditPreview() {
 
 	const auto fileinfo = QFileInfo(file->path);
 	const auto filename = fileinfo.fileName();
-	const auto mimeType = Core::MimeTypeForFile(fileinfo).name();
 
-	if (!file->path.isEmpty()) {
-		_isImage = fileIsImage(filename, mimeType);
-	}
+	_isImage = fileIsImage(filename, file->mime);
 	_isAudio = false;
 	_animated = false;
 	_photo = false;