diff --git a/scratch/.gitignore b/scratch/.gitignore
index 7d959a29d..64892bfaf 100644
--- a/scratch/.gitignore
+++ b/scratch/.gitignore
@@ -2,6 +2,7 @@
 /*
 !.gitignore
 
+!nested-subdir/
 !subdir/
 !scratch-simulator.cc
 !CMakeLists.txt