diff --git a/openeo_driver/datacube.py b/openeo_driver/datacube.py
index ffbbf09d..629e3447 100644
--- a/openeo_driver/datacube.py
+++ b/openeo_driver/datacube.py
@@ -319,8 +319,14 @@ def from_geodataframe(
             return cls(geometries=geometries_df, cube=cube)
 
         else:
-            # TODO: add a dummy 1D no-data cube?
-            return cls(geometries=data)
+            # Use 1D dummy cube of NaN values
+            cube: xarray.DataArray = xarray.DataArray(
+                data=numpy.full(shape=[data.shape[0]], fill_value=numpy.nan),
+                dims=[cls.DIM_GEOMETRIES],
+                coords={cls.DIM_GEOMETRIES: data.geometry.index.to_list()},
+                attrs={"vector_cube_dummy": True},
+            )
+            return cls(geometries=data, cube=cube)
 
     @classmethod
     def from_fiona(
diff --git a/tests/test_vectorcube.py b/tests/test_vectorcube.py
index e07ed2e5..708ad874 100644
--- a/tests/test_vectorcube.py
+++ b/tests/test_vectorcube.py
@@ -145,7 +145,18 @@ def test_to_internal_json_defaults(self, gdf):
                     "attrs": {},
                 },
             ),
-            ([], None),
+            (
+                [],
+                {
+                    "name": None,
+                    "dims": ("geometries",),
+                    "coords": {
+                        "geometries": {"attrs": {}, "data": [0, 1], "dims": ("geometries",)},
+                    },
+                    "data": [IsNan(), IsNan()],
+                    "attrs": {},
+                },
+            ),
             (
                 ["pop", "id"],
                 {
@@ -359,7 +370,18 @@ def test_from_geodataframe_default(self, gdf):
                     "attrs": {},
                 },
             ),
-            ([], None),
+            (
+                [],
+                {
+                    "name": None,
+                    "dims": ("geometries",),
+                    "coords": {
+                        "geometries": {"attrs": {}, "data": [0, 1], "dims": ("geometries",)},
+                    },
+                    "data": [IsNan(), IsNan()],
+                    "attrs": {"vector_cube_dummy": True},
+                },
+            ),
             (
                 ["id"],
                 {