diff --git a/.gitignore b/.gitignore
index 5e224ae..6268128 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,7 @@
 !.gitignore
 !.dockerignore
 !.github
-testdata/sandbox
+/testdata/sandbox
 examples/
 todo.txt
 /vendor
@@ -12,6 +12,7 @@
 /cmd/termmapper/termmapper
 *.yaml
 !/mappings/*.yaml
+!/testdata/*.yaml
 \#*
 *.tar
 !/cmd/termmapper/