diff --git a/source/blender/draw/intern/draw_cache.c b/source/blender/draw/intern/draw_cache.c
index 6065e7f0fc5..8247c59e9e6 100644
--- a/source/blender/draw/intern/draw_cache.c
+++ b/source/blender/draw/intern/draw_cache.c
@@ -2675,6 +2675,7 @@ Gwn_Batch **DRW_cache_curve_surface_shaded_get(
         Object *ob, struct GPUMaterial **gpumat_array, uint gpumat_array_len)
 {
 	BLI_assert(ob->type == OB_CURVE);
+	BLI_assert(ob->curve_cache != NULL);
 
 	struct Curve *cu = ob->data;
 	return DRW_curve_batch_cache_get_surface_shaded(cu, ob->curve_cache, gpumat_array, gpumat_array_len);