diff --git a/Telegram/SourceFiles/data/data_document.cpp b/Telegram/SourceFiles/data/data_document.cpp
index 0d8a7799d4..937ebd892f 100644
--- a/Telegram/SourceFiles/data/data_document.cpp
+++ b/Telegram/SourceFiles/data/data_document.cpp
@@ -1744,6 +1744,7 @@ bool DocumentData::isTheme() const {
 		|| _filename.endsWith(u".tdesktop-palette"_q, Qt::CaseInsensitive)
 		|| (hasMimeType(u"application/x-tgtheme-tdesktop"_q)
 			&& (_filename.isEmpty()
+				|| !_filename.contains('.')
 				|| _nameType == Core::NameType::ThemeFile));
 }