diff --git a/source/blender/nodes/geometry/nodes/node_geo_curve_sample.cc b/source/blender/nodes/geometry/nodes/node_geo_curve_sample.cc
index ba7985f26bc..bb31d9c1a57 100644
--- a/source/blender/nodes/geometry/nodes/node_geo_curve_sample.cc
+++ b/source/blender/nodes/geometry/nodes/node_geo_curve_sample.cc
@@ -309,6 +309,7 @@ class SampleCurveFunction : public fn::MultiFunction {
     if (curves.points_num() == 0) {
       return return_default();
     }
+    curves.ensure_can_interpolate_to_evaluated();
     Span<float3> evaluated_positions = curves.evaluated_positions();
     Span<float3> evaluated_tangents;
     Span<float3> evaluated_normals;