diff --git a/python/plugins/processing/tests/testdata/gdal_algorithm_tests.yaml b/python/plugins/processing/tests/testdata/gdal_algorithm_tests.yaml
index 148994d5ac5..34f45723ffd 100644
--- a/python/plugins/processing/tests/testdata/gdal_algorithm_tests.yaml
+++ b/python/plugins/processing/tests/testdata/gdal_algorithm_tests.yaml
@@ -109,6 +109,7 @@ tests:
       BAND: 1
       CREATE_3D: false
       FIELD_NAME: ELEV
+      CREATE_3D: true
       IGNORE_NODATA: false
       INPUT:
         name: dem.tif