diff --git a/modules/gltf/gltf_document.cpp b/modules/gltf/gltf_document.cpp
index 0a487430a36..ab7f3bdc52d 100644
--- a/modules/gltf/gltf_document.cpp
+++ b/modules/gltf/gltf_document.cpp
@@ -3046,6 +3046,7 @@ Error GLTFDocument::_parse_meshes(Ref<GLTFState> p_state) {
 					}
 				}
 				array[Mesh::ARRAY_WEIGHTS] = weights;
+				flags |= Mesh::ARRAY_FLAG_USE_8_BONE_WEIGHTS;
 			}
 
 			if (!indices.is_empty()) {