diff --git a/server/simulators/test_sim.cpp b/server/simulators/test_sim.cpp
index 645757a..f8a4278 100644
--- a/server/simulators/test_sim.cpp
+++ b/server/simulators/test_sim.cpp
@@ -23,6 +23,7 @@ Test_Sim::Test_Sim(CAN_Wrapper *can_wrapper, QSerialPort *serial, QObject *paren
     this->push_ui_item(&this->m_thermo);
     this->push_ui_item(&this->m_led);
     this->push_ui_item(&this->m_checkbox);
+    this->push_ui_item(&this->m_plot);
 
     QObject::connect(&m_button, &UI_button::clicked, this, [=, this] { button_clicked(&m_button); });
     QObject::connect(&m_slider, &UI_slider::changed, this,
@@ -67,6 +68,7 @@ void Test_Sim::slider_changed(UI_slider *id, double value)
         this->m_label.set_text(std::to_string(value));
         this->m_dial.set_value(value);
         this->m_thermo.set_value(value);
+        this->m_plot.add_value(value, value);
         return;
     }
 }
diff --git a/server/simulators/test_sim.hpp b/server/simulators/test_sim.hpp
index a3ebac5..fb220f7 100644
--- a/server/simulators/test_sim.hpp
+++ b/server/simulators/test_sim.hpp
@@ -22,4 +22,5 @@ class Test_Sim : public Simulator_base
     UI_dial m_dial;
     UI_thermo m_thermo;
     UI_led m_led;
+    UI_plot m_plot;
 };