diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp
index 44f349d58..05434c983 100644
--- a/drivers/gles2/rasterizer_canvas_gles2.cpp
+++ b/drivers/gles2/rasterizer_canvas_gles2.cpp
@@ -944,6 +944,8 @@ void RasterizerCanvasGLES2::render_batches(Item *p_current_clip, bool &r_reclip,
 							if (!amount) {
 								break;
 							}
+
+							state.canvas_shader.set_conditional(CanvasShaderGLES2::USE_INSTANCE_CUSTOM, multi_mesh->custom_data_format != RS::MULTIMESH_CUSTOM_DATA_NONE);
 							state.canvas_shader.set_conditional(CanvasShaderGLES2::USE_INSTANCING, true);
 							_set_texture_rect_mode(false);