diff --git a/point-differences/3921.json b/point-differences/3921.json
new file mode 100644
index 000000000000..96d819e46f29
--- /dev/null
+++ b/point-differences/3921.json
@@ -0,0 +1 @@
+{"difference":-5,"user":{"id":115417687,"login":"ihatethisengine"}}
\ No newline at end of file