Fix compilation without implicit nlohmann conversions

1 files changed, 1 insertions, 1 deletions

diff --git a/src/timeline/TimelineModel.h b/src/timeline/TimelineModel.h

index ec9a34f1..7b5fb907 100644
--- a/src/timeline/TimelineModel.h
+++ b/src/timeline/TimelineModel.h
@@ -464,7 +464,7 @@ private:
 
     friend struct SendMessageVisitor;
 
-    int notification_count = 0, highlight_count = 0;
+    uint64_t notification_count = 0, highlight_count = 0;
 
     unsigned int relatedEventCacheBuster = 0;