diff --git a/point-differences/3899.json b/point-differences/3899.json
new file mode 100644
index 000000000000..d5eb4d935aee
--- /dev/null
+++ b/point-differences/3899.json
@@ -0,0 +1 @@
+{"difference":-3,"user":{"id":8919187,"login":"morrowwolf"}}
\ No newline at end of file