diff --git a/UnrealEngine.gitignore b/UnrealEngine.gitignore
index beec7b91..05134c16 100644
--- a/UnrealEngine.gitignore
+++ b/UnrealEngine.gitignore
@@ -56,6 +56,9 @@ Build/*
 # Don't ignore icon files in Build
 !Build/**/*.ico
 
+# Built data for maps
+*_BuiltData.uasset
+
 # Configuration files generated by the Editor
 Saved/*