diff --git a/src/spatialdata/datasets.py b/src/spatialdata/datasets.py
index a70b9b75..b0e103fd 100644
--- a/src/spatialdata/datasets.py
+++ b/src/spatialdata/datasets.py
@@ -233,7 +233,8 @@ def _points_blobs(
         self, transformations: Optional[dict[str, Any]] = None, length: int = 512, n_points: int = 200
     ) -> DaskDataFrame:
         rng = default_rng(42)
-        arr = rng.integers(10, length - 10, size=(n_points, 2)).astype(np.int64)
+        padding = 1
+        arr = rng.integers(padding, length - padding, size=(n_points, 2)).astype(np.int64)
         # randomly assign some values from v to the points
         points_assignment0 = rng.integers(0, 10, size=arr.shape[0]).astype(np.int64)
         genes = rng.choice(["a", "b"], size=arr.shape[0])