diff --git a/pyproject.toml b/pyproject.toml
index c5754c2..2a01d4a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,7 +12,7 @@ where = ["src"]
 [project]
 name = "coastsat_package"
 dynamic = ["readme"]
-version = "0.1.54"
+version = "0.1.55"
 authors = [
   { name="Sharon Fitzpatrick" },
 ]
diff --git a/src/coastsat/SDS_shoreline.py b/src/coastsat/SDS_shoreline.py
index 404f751..ccea3d5 100644
--- a/src/coastsat/SDS_shoreline.py
+++ b/src/coastsat/SDS_shoreline.py
@@ -156,7 +156,7 @@ def filter_shoreline(shoreline, satname, sl_date, acc_georef, cloud_cover, outpu
             crs=f"epsg:{output_epsg}",
         )
         if shoreline_gdf is None:
-            return np.array(shoreline)
+            return shoreline
         shoreline_gdf.reset_index(drop=True, inplace=True)
 
         # Filter shorelines within the extraction area.