diff --git a/companion/src/firmwares/er9x/simulator/er9xsimulator.h b/companion/src/firmwares/er9x/simulator/er9xsimulator.h
index 1f0ed0944..d25a4fcb2 100644
--- a/companion/src/firmwares/er9x/simulator/er9xsimulator.h
+++ b/companion/src/firmwares/er9x/simulator/er9xsimulator.h
@@ -60,6 +60,8 @@ class Er9xSimulator : public SimulatorInterface {
 
     virtual void setTrainerInput(unsigned int inputNumber, int16_t value) {};
 
+    virtual void setLuaStateReloadPermanentScripts() {};
+
   protected:
 
     Er9xInterface * er9xInterface;
diff --git a/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.h b/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.h
index 3303f9ae7..f3c07694a 100644
--- a/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.h
+++ b/companion/src/firmwares/ersky9x/simulator/ersky9xsimulator.h
@@ -60,6 +60,8 @@ class Ersky9xSimulator : public SimulatorInterface {
 
     virtual void setTrainerInput(unsigned int inputNumber, int16_t value) {};
 
+    virtual void setLuaStateReloadPermanentScripts() {};
+
   protected:
 
     Ersky9xInterface * ersky9xInterface;
diff --git a/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp b/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp
index 1424cfa31..5c5ec1a33 100644
--- a/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp
+++ b/companion/src/firmwares/opentx/simulator/opentxsimulator.cpp
@@ -644,6 +644,13 @@ void OpenTxSimulator::setTrainerInput(unsigned int inputNumber, ::int16_t value)
 #include "simulatorimport.h"
 }
 
+void OpenTxSimulator::setLuaStateReloadPermanentScripts()
+{
+#if defined(LUA)
+    luaState = INTERPRETER_RELOAD_PERMANENT_SCRIPTS;
+#endif
+}
+
 void OpenTxSimulator::installTraceHook(void (*callback)(const char *))
 {
   traceCallback = callback;
diff --git a/companion/src/firmwares/opentx/simulator/opentxsimulator.h b/companion/src/firmwares/opentx/simulator/opentxsimulator.h
index 8e20de520..c5c0632f1 100644
--- a/companion/src/firmwares/opentx/simulator/opentxsimulator.h
+++ b/companion/src/firmwares/opentx/simulator/opentxsimulator.h
@@ -137,6 +137,8 @@ class DLLEXPORT OpenTxSimulator : public SimulatorInterface {
     virtual void setTrainerInput(unsigned int inputNumber, int16_t value);
 
     virtual void installTraceHook(void (*callback)(const char *));
+
+    virtual void setLuaStateReloadPermanentScripts();
 };
 
 }
diff --git a/companion/src/simulation/simulatordialog-horus.ui b/companion/src/simulation/simulatordialog-horus.ui
index 71e92ce06..e2ceeab33 100644
--- a/companion/src/simulation/simulatordialog-horus.ui
+++ b/companion/src/simulation/simulatordialog-horus.ui
@@ -1461,6 +1461,13 @@ QPushButton:checked {
        </property>
       </widget>
      </item>
+      <item>
+        <widget class="QPushButton" name="luaReload">
+          <property name="text">
+            <string>PF7 - Reload Lua Scripts</string>
+          </property>
+        </widget>
+      </item>
     </layout>
    </item>
    <item row="4" column="0">
diff --git a/companion/src/simulation/simulatordialog-taranis.ui b/companion/src/simulation/simulatordialog-taranis.ui
index e29d017c4..7ca2e9b31 100644
--- a/companion/src/simulation/simulatordialog-taranis.ui
+++ b/companion/src/simulation/simulatordialog-taranis.ui
@@ -1754,6 +1754,13 @@ QPushButton:checked {
        </property>
       </widget>
      </item>
+     <item>
+      <widget class="QPushButton" name="luaReload">
+       <property name="text">
+        <string>PF7 - Reload Lua Scripts</string>
+       </property>
+      </widget>
+      </item>
     </layout>
    </item>
   </layout>
diff --git a/companion/src/simulation/simulatordialog.cpp b/companion/src/simulation/simulatordialog.cpp
index 6d4b3f8e0..cea4456ee 100644
--- a/companion/src/simulation/simulatordialog.cpp
+++ b/companion/src/simulation/simulatordialog.cpp
@@ -73,6 +73,7 @@ SimulatorDialog::SimulatorDialog(QWidget * parent, SimulatorInterface *simulator
   new QShortcut(QKeySequence(Qt::Key_F4), this, SLOT(openTelemetrySimulator()));
   new QShortcut(QKeySequence(Qt::Key_F5), this, SLOT(openTrainerSimulator()));
   new QShortcut(QKeySequence(Qt::Key_F6), this, SLOT(openDebugOutput()));
+  new QShortcut(QKeySequence(Qt::Key_F7), this, SLOT(luaReload()));
   traceCallbackInstance = this;
 }
 
@@ -166,11 +167,18 @@ void SimulatorDialog::openDebugOutput()
   }
 }
 
+void SimulatorDialog::luaReload()
+{
+  // force a reload of the lua environment (as if a standalone script were run)
+  simulator->setLuaStateReloadPermanentScripts();
+}
+
 void SimulatorDialog::onDebugOutputClose()
 {
   DebugOut = 0;
 }
 
+
 void SimulatorDialog::keyPressEvent (QKeyEvent *event)
 {
   switch (event->key()) {
diff --git a/companion/src/simulation/simulatordialog.h b/companion/src/simulation/simulatordialog.h
index c63ba6d0b..ef3b92b53 100644
--- a/companion/src/simulation/simulatordialog.h
+++ b/companion/src/simulation/simulatordialog.h
@@ -155,6 +155,7 @@ class SimulatorDialog : public QDialog
     void openTrainerSimulator();
     void openDebugOutput();
     void onDebugOutputClose();
+    void luaReload();
 
 #ifdef JOYSTICKS
     void onjoystickAxisValueChanged(int axis, int value);
diff --git a/companion/src/simulation/simulatordialoghorus.cpp b/companion/src/simulation/simulatordialoghorus.cpp
index 72faddd8c..9e69e3b59 100644
--- a/companion/src/simulation/simulatordialoghorus.cpp
+++ b/companion/src/simulation/simulatordialoghorus.cpp
@@ -73,6 +73,7 @@ SimulatorDialogHorus::SimulatorDialogHorus(QWidget * parent, SimulatorInterface
   connect(ui->teleSim, SIGNAL(released()), this, SLOT(openTelemetrySimulator()));
   connect(ui->trainerSim, SIGNAL(released()), this, SLOT(openTrainerSimulator()));
   connect(ui->debugConsole, SIGNAL(released()), this, SLOT(openDebugOutput()));
+  connect(ui->luaReload, SIGNAL(released()), this, SLOT(luaReload()));
 }
 
 SimulatorDialogHorus::~SimulatorDialogHorus()
diff --git a/companion/src/simulation/simulatordialogtaranis.cpp b/companion/src/simulation/simulatordialogtaranis.cpp
index 609bb7c40..63d3c2ee8 100644
--- a/companion/src/simulation/simulatordialogtaranis.cpp
+++ b/companion/src/simulation/simulatordialogtaranis.cpp
@@ -80,6 +80,7 @@ SimulatorDialogTaranis::SimulatorDialogTaranis(QWidget * parent, SimulatorInterf
   connect(ui->teleSim, SIGNAL(released()), this, SLOT(openTelemetrySimulator()));
   connect(ui->trainerSim, SIGNAL(released()), this, SLOT(openTrainerSimulator()));
   connect(ui->debugConsole, SIGNAL(released()), this, SLOT(openDebugOutput()));
+  connect(ui->luaReload, SIGNAL(released()), this, SLOT(luaReload()));
 }
 
 SimulatorDialogTaranis::~SimulatorDialogTaranis()
diff --git a/companion/src/simulation/simulatorinterface.h b/companion/src/simulation/simulatorinterface.h
index 5a97cae2c..57a3f1e80 100644
--- a/companion/src/simulation/simulatorinterface.h
+++ b/companion/src/simulation/simulatorinterface.h
@@ -106,6 +106,8 @@ class SimulatorInterface
     virtual void setTrainerInput(unsigned int inputNumber, int16_t value) = 0;
 
     virtual void installTraceHook(void (*callback)(const char *)) = 0;
+
+    virtual void setLuaStateReloadPermanentScripts() = 0;
 };
 
 class SimulatorFactory {