diff --git a/backend/src/tests/test_invalid_input.py b/backend/src/tests/test_invalid_input.py
index 5184445..897555e 100644
--- a/backend/src/tests/test_invalid_input.py
+++ b/backend/src/tests/test_invalid_input.py
@@ -19,10 +19,10 @@ def invalid_client():
         ([48.8566, 2.3522], {}, 422),
 
         # Invalid cases: incomplete preferences.
-        ([48.084588, 7.280405], {"sightseeing": {"type": "nature", "score": 5}, # no shopping
+        ([48.084588, 7.280405], {"sightseeing": {"type": "sightseeing", "score": 5}, # no shopping
                                  "nature": {"type": "nature", "score": 5},
                                  }, 422),
-        ([48.084588, 7.280405], {"sightseeing": {"type": "nature", "score": 5}, # no nature
+        ([48.084588, 7.280405], {"sightseeing": {"type": "sightseeing", "score": 5}, # no nature
                                  "shopping": {"type": "shopping", "score": 5},
                                  }, 422),
         ([48.084588, 7.280405], {"nature": {"type": "nature", "score": 5},      # no sightseeing
@@ -30,19 +30,19 @@ def invalid_client():
                                  }, 422),
 
         # Invalid cases: unexisting coords
-        ([91, 181], {"sightseeing": {"type": "nature", "score": 5},
+        ([91, 181], {"sightseeing": {"type": "sightseeing", "score": 5},
                      "nature": {"type": "nature", "score": 5},
                      "shopping": {"type": "shopping", "score": 5},
                     }, 422),
-        ([-91, 181], {"sightseeing": {"type": "nature", "score": 5},
+        ([-91, 181], {"sightseeing": {"type": "sightseeing", "score": 5},
                      "nature": {"type": "nature", "score": 5},
                      "shopping": {"type": "shopping", "score": 5},
                     }, 422),
-        ([91, -181], {"sightseeing": {"type": "nature", "score": 5},
+        ([91, -181], {"sightseeing": {"type": "sightseeing", "score": 5},
                      "nature": {"type": "nature", "score": 5},
                      "shopping": {"type": "shopping", "score": 5},
                     }, 422),
-        ([-91, -181], {"sightseeing": {"type": "nature", "score": 5},
+        ([-91, -181], {"sightseeing": {"type": "sightseeing", "score": 5},
                      "nature": {"type": "nature", "score": 5},
                      "shopping": {"type": "shopping", "score": 5},
                     }, 422),