diff --git a/gui/dialogs/sound.xml b/gui/dialogs/sound.xml
index 337661c72..f85e403a8 100644
--- a/gui/dialogs/sound.xml
+++ b/gui/dialogs/sound.xml
@@ -273,6 +273,28 @@
         <property>/sim/sound/enabled</property>
       </enable>
     </checkbox>
+
+    <text>
+      <row>6</row>
+      <col>0</col>
+      <label>AI/MP</label>
+      <halign>left</halign>
+	  <enable>
+        <property>/sim/sound/enabled</property>
+      </enable>
+    </text>
+
+    <checkbox>
+      <row>6</row>
+      <col>1</col>
+      <property>/sim/sound/aimodels/enabled</property>
+      <binding>
+        <command>dialog-apply</command>
+      </binding>
+	  <enable>
+        <property>/sim/sound/enabled</property>
+      </enable>
+    </checkbox>
   </group>
 
   <hrule/>
diff --git a/preferences.xml b/preferences.xml
index 6bc1b4f8c..a3fa26661 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -305,6 +305,9 @@ Started September 2000 by David Megginson, david@megginson.com
 					<festival type="bool">true</festival>
 				</voice>
 			</voices>
+			<aimodels>
+				<enabled type="bool" userarchive="y">false</enabled>
+			</aimodels>
 		</sound>
 		<speed-up type="double">1.0</speed-up>
 		<current-view>