diff --git a/src/spatialdata_plot/pl/render.py b/src/spatialdata_plot/pl/render.py
index 52297005..ef49c6ed 100644
--- a/src/spatialdata_plot/pl/render.py
+++ b/src/spatialdata_plot/pl/render.py
@@ -136,7 +136,7 @@ def _render_shapes(
     if isinstance(groups, list) and color_source_vector is not None:
         mask = color_source_vector.isin(groups)
         shapes = shapes[mask]
-        shapes = shapes.reset_index()
+        shapes = shapes.reset_index(drop=True)
         color_source_vector = color_source_vector[mask]
         color_vector = color_vector[mask]