diff --git a/Telegram/SourceFiles/data/data_chat_filters.cpp b/Telegram/SourceFiles/data/data_chat_filters.cpp
index c37eddd65c..20fadb41de 100644
--- a/Telegram/SourceFiles/data/data_chat_filters.cpp
+++ b/Telegram/SourceFiles/data/data_chat_filters.cpp
@@ -775,7 +775,8 @@ FilterId ChatFilters::defaultId() const {
 }
 
 FilterId ChatFilters::lookupId(int index) const {
-	if (index >= 0 && index < _list.size()) {
+	// Expects(index >= 0 && index < _list.size());
+	if (!(index >= 0 && index < _list.size())) {
 		return FilterId(); // AyuGram: fix crash when using `hideAllChatsFolder`
 	}
 
diff --git a/Telegram/SourceFiles/storage/storage_sparse_ids_list.cpp b/Telegram/SourceFiles/storage/storage_sparse_ids_list.cpp
index 507f00c0a6..db18b927cf 100644
--- a/Telegram/SourceFiles/storage/storage_sparse_ids_list.cpp
+++ b/Telegram/SourceFiles/storage/storage_sparse_ids_list.cpp
@@ -62,7 +62,8 @@ SparseIdsList::AddResult SparseIdsList::addRangeItemsAndCountNew(
 		SparseIdsSliceUpdate &update,
 		const Range &messages,
 		MsgRange noSkipRange) {
-	if (noSkipRange.from <= noSkipRange.till) {
+	// Expects(noSkipRange.from <= noSkipRange.till);
+	if (!(noSkipRange.from <= noSkipRange.till)) {
 		return { 0 }; // AyuGram: fix crash when using `saveDeletedMessages`
 	}