diff --git a/tests/test_encoder.py b/tests/test_encoder.py
index ead5a66275b2c2538e47a1841a718baf262304c1..df7143a0cab5aae4748f55ffdb7f40ca1a66b430 100644
--- a/tests/test_encoder.py
+++ b/tests/test_encoder.py
@@ -101,7 +101,9 @@ class TestEncoderAlgorithm(unittest.TestCase):
 
     def test_RasterDataset(self):
         self.algorithm.initAlgorithm()
-        parameters = {}
+        parameters = {
+            "INPUT": INPUT,
+                }
         self.algorithm.process_options(parameters, self.context, self.feedback)
         RasterDataset.filename_glob = self.algorithm.rlayer_name
         RasterDataset.all_bands = [