diff --git a/.gitignore b/.gitignore
index 19490b9878b..dfb1490aa90 100644
--- a/.gitignore
+++ b/.gitignore
@@ -89,6 +89,9 @@ logs/
 *.sln
 *.vcxproj*
 
+# Custom SCons configuration override
+/custom.py
+
 # Build results
 [Dd]ebug/
 [Dd]ebugPublic/