diff --git a/src/plugins/instantiate/.gitignore b/src/plugins/instantiate/.gitignore
index b18adc61b4fbcc6e775225047b0a86a8a8a8659d..cf191ced79913e05a88f7328899d77f503fc77f4 100644
--- a/src/plugins/instantiate/.gitignore
+++ b/src/plugins/instantiate/.gitignore
@@ -1,4 +1,4 @@
 /configure
 /Makefile
-/tests/**/dune
+/tests/*/oracle/dune
 /tests/*/result