diff --git a/scripts/test_walking_path_and_presets.py b/scripts/test_walking_path_and_presets.py
index 004e000..44be15e 100644
--- a/scripts/test_walking_path_and_presets.py
+++ b/scripts/test_walking_path_and_presets.py
@@ -70,6 +70,10 @@ def run_tests():
 
     print("--- 4. Testing 1-Tap Shelf Reassignment & Learned Memory ---")
     clear_shopping_list()
+    # Ensure fresh test state by clearing mapping for test ingredient using execute_query
+    from app.database import execute_query
+    execute_query("DELETE FROM ingredient_category_mappings WHERE LOWER(ingredient_name) = LOWER(?)", ('frische petersilie',), commit=True)
+
     item = add_shopping_item("Frische Petersilie", "1", "Bund")
     assert item["category"] == "Obst & Gemüse"