diff --git a/Nasal/controls.nas b/Nasal/controls.nas
index e8b8e864b..246d22e45 100644
--- a/Nasal/controls.nas
+++ b/Nasal/controls.nas
@@ -314,3 +314,4 @@ elevatorTrimAxis = func { elevatorTrim(cmdarg().getNode("value").getValue()); }
 aileronTrimAxis = func { aileronTrim(cmdarg().getNode("value").getValue()); }
 rudderTrimAxis = func { rudderTrim(cmdarg().getNode("value").getValue()); }
 
+gearDown = func { setprop("/controls/gear/gear-down", arg[0]); }
diff --git a/keyboard.xml b/keyboard.xml
index 057626b62..ae5fe3a2b 100644
--- a/keyboard.xml
+++ b/keyboard.xml
@@ -532,9 +532,8 @@ calculated by adding 256 to the GLUT key value in glut.h.
   <name>G</name>
   <desc>Gear down.</desc>
   <binding>
-   <command>property-assign</command>
-   <property>/controls/gear/gear-down</property>
-   <value type="double">1.0</value>
+   <command>nasal</command>
+   <script>controls.gearDown(1.0)</script>
   </binding>
  </key>
 
@@ -700,9 +699,8 @@ calculated by adding 256 to the GLUT key value in glut.h.
   <name>g</name>
   <desc>Gear Up.</desc>
   <binding>
-   <command>property-assign</command>
-   <property>/controls/gear/gear-down</property>
-   <value type="double">0.0</value>
+   <command>nasal</command>
+   <script>controls.gearDown(0.0)</script>
   </binding>
  </key>