diff --git a/src/Sound/fg_fx.cxx b/src/Sound/fg_fx.cxx
index 2df20387d..390609567 100644
--- a/src/Sound/fg_fx.cxx
+++ b/src/Sound/fg_fx.cxx
@@ -43,10 +43,12 @@ FGFX::FGFX ( SGSoundMgr *smgr, const string &refname, SGPropertyNode *props ) :
     _props( props )
 {
     if (!props) {
+        _is_aimodel = false;
         _props = globals->get_props();
         _enabled = fgGetNode("/sim/sound/effects/enabled", true);
         _volume = fgGetNode("/sim/sound/effects/volume", true);
     } else {
+        _is_aimodel = true;
         _enabled = _props->getNode("/sim/sound/aimodels/enabled", true);
         _enabled->setBoolValue(fgGetBool("/sim/sound/effects/enabled"));
          _volume = _props->getNode("/sim/sound/aimodels/volume", true);
@@ -105,18 +107,17 @@ FGFX::init()
     }
 
     node = root.getNode("fx");
-    if(node) {
+    if(node && !_is_aimodel) {
         for (int i = 0; i < node->nChildren(); ++i) {
-            SGXmlSound *sound = new SGXmlSound();
+            SGXmlSound *soundfx = new SGXmlSound();
   
             try {
-//              sound->init(globals->get_props(), node->getChild(i), this,
-                sound->init(_props, node->getChild(i), this,
-                            _avionics, path.dir());
-                _sound.push_back(sound);
+                soundfx->init( _props, node->getChild(i), this, _avionics,
+                               path.dir() );
+                _sound.push_back( soundfx );
             } catch ( sg_exception &e ) {
                 SG_LOG(SG_SOUND, SG_ALERT, e.getFormattedMessage());
-                delete sound;
+                delete soundfx;
             }
         }
     }
diff --git a/src/Sound/fg_fx.hxx b/src/Sound/fg_fx.hxx
index a46d8583c..3803f5bc6 100644
--- a/src/Sound/fg_fx.hxx
+++ b/src/Sound/fg_fx.hxx
@@ -58,6 +58,7 @@ public:
 
 private:
 
+    bool _is_aimodel;
     SGSharedPtr<SGSampleGroup> _avionics;
     std::vector<SGXmlSound *> _sound;