diff --git a/src/Engine_Object.cc b/src/Engine_Object.cc
index b15f5a3..d690ebd 100644
--- a/src/Engine_Object.cc
+++ b/src/Engine_Object.cc
@@ -522,12 +522,14 @@ void Engine::Object::draw()
 
         if (m_is_managed)
         {
+            glUseProgram(0);
             glCallList(m_display_list);
         }
         else
         {
             GLuint program = m_engine.m_programs[PROG_OBJ];
             glUseProgram(program);
+
             glEnableVertexAttribArray(ATTRIBUTE_OBJ_POS);
             glEnableVertexAttribArray(ATTRIBUTE_OBJ_NORMAL);
             int stride = m_obj->getStride();