diff --git a/tests/lib/spread/rules/main.yaml b/tests/lib/spread/rules/main.yaml
index c903a40094a..33537475d3f 100644
--- a/tests/lib/spread/rules/main.yaml
+++ b/tests/lib/spread/rules/main.yaml
@@ -19,6 +19,11 @@ rules:
      - tests/unit/c-unit-tests-clang
      - tests/unit/c-unit-tests-gcc
 
+  nested:
+    from:
+      - tests/nested/.*
+    to: [$NONE]
+
   rest:
     from: [.*]
     to: [tests/]