diff --git a/tests/test_intertidal.py b/tests/test_intertidal.py
index 3764523..0ef60ee 100644
--- a/tests/test_intertidal.py
+++ b/tests/test_intertidal.py
@@ -19,7 +19,7 @@ def test_intertidal_cli():
             "testing",
             "--start_date",
             "2020",
-            "--start_date",
+            "--end_date",
             "2022",
             "--modelled_freq",
             "3h",
@@ -50,4 +50,4 @@ def test_elevation(satellite_ds):
     assert "elevation_uncertainty" in ds.data_vars
 
     # Verify that ds is a single layer
-    assert "time" not in ds.dims
+    assert "time" not in ds.dims
\ No newline at end of file