diff --git a/source/blender/editors/curves/intern/curves_ops.cc b/source/blender/editors/curves/intern/curves_ops.cc
index 75bb9680886..b04a45c000b 100644
--- a/source/blender/editors/curves/intern/curves_ops.cc
+++ b/source/blender/editors/curves/intern/curves_ops.cc
@@ -905,11 +905,12 @@ static int select_random_exec(bContext *C, wmOperator *op)
   for (Curves *curves_id : unique_curves) {
     CurvesGeometry &curves = curves_id->geometry.wrap();
     const eAttrDomain selection_domain = eAttrDomain(curves_id->selection_domain);
+    const int domain_size = curves.attributes().domain_size(selection_domain);
 
     IndexMaskMemory memory;
     const IndexMask inv_random_elements = random_mask(
                                               curves, selection_domain, seed, probability, memory)
-                                              .complement(curves.points_range(), memory);
+                                              .complement(IndexRange(domain_size), memory);
 
     const bool was_anything_selected = has_anything_selected(curves);
     bke::GSpanAttributeWriter selection = ensure_selection_attribute(