diff --git a/mixer/src/Module.C b/mixer/src/Module.C
index 6f238e0..f6ccd4c 100644
--- a/mixer/src/Module.C
+++ b/mixer/src/Module.C
@@ -846,7 +846,6 @@ Module::menu ( void ) const
         insert_menu->add( "Meter", 0, 0 );
         insert_menu->add( "Mono Pan", 0, 0 );
         insert_menu->add( "Aux", 0, 0 );
-        insert_menu->add( "Distance", 0, 0 );
         insert_menu->add( "Spatializer", 0, 0 );
         insert_menu->add( "Plugin", 0, 0 );
 
diff --git a/mixer/src/Module_Parameter_Editor.C b/mixer/src/Module_Parameter_Editor.C
index 74f2582..5c3498e 100644
--- a/mixer/src/Module_Parameter_Editor.C
+++ b/mixer/src/Module_Parameter_Editor.C
@@ -126,7 +126,6 @@ Module_Parameter_Editor::Module_Parameter_Editor ( Module *module ) : Fl_Double_
 
 Module_Parameter_Editor::~Module_Parameter_Editor ( )
 {
-    controls_by_port.clear();
 }
 
 
@@ -336,7 +335,11 @@ Module_Parameter_Editor::make_controls ( void )
 
         o->point( 0 )->azimuth( azimuth_value );
         o->point( 0 )->elevation( elevation_value );
-        o->point( 0 )->radius( radius_value );
+        if ( radius_port_number >= 0 )
+        {
+            o->point( 0 )->radius_enabled = true;
+            o->point( 0 )->radius( radius_value );
+        }
 
         Fl_Labelpad_Group *flg = new Fl_Labelpad_Group( o );
 
@@ -344,7 +347,8 @@ Module_Parameter_Editor::make_controls ( void )
 
         controls_by_port[azimuth_port_number] = o;
         controls_by_port[elevation_port_number] = o;
-        controls_by_port[radius_port_number] = o;
+        if ( radius_port_number >= 0 )
+            controls_by_port[radius_port_number] = o;
     }
 
 
@@ -468,9 +472,11 @@ Module_Parameter_Editor::handle_control_changed ( Module::Port *p )
 void
 Module_Parameter_Editor::set_value (int i, float value )
 {
-    _module->control_input[i].control_value( value );
-    if ( _module->control_input[i].connected() )
-        _module->control_input[i].connected_port()->module()->handle_control_changed( _module->control_input[i].connected_port() );
-
+    if ( i >= 0 )
+    {
+        _module->control_input[i].control_value( value );
+        if ( _module->control_input[i].connected() )
+            _module->control_input[i].connected_port()->module()->handle_control_changed( _module->control_input[i].connected_port() );
+    }
 //    _module->handle_control_changed( &_module->control_input[i] );
 }
diff --git a/mixer/src/Panner.H b/mixer/src/Panner.H
index d34dd4d..809dc7b 100644
--- a/mixer/src/Panner.H
+++ b/mixer/src/Panner.H
@@ -46,6 +46,7 @@ public:
         void *userdata;
         Fl_Color color;
         bool visible;
+        bool radius_enabled;
 
         Point ( ) {
             x = 1;
@@ -54,6 +55,7 @@ public:
             label = 0;
             visible = 1;
             color = FL_WHITE;
+            radius_enabled = false;
         }
 
         Point ( float D, float A )
@@ -63,6 +65,7 @@ public:
                 label = 0;
                 visible = 1;
                 color = FL_WHITE;
+                radius_enabled = false;
             }
 
         static inline void spherical_to_cartesian (float a, float e, float &x, float &y, float &z )
@@ -83,7 +86,10 @@ public:
             return atan2f(z,sqrtf(powf(x,2)+powf(y,2)) ) * ( 180 / M_PI );
         }
         float radius ( void ) const {
-            return sqrtf(powf(x,2)+powf(y,2)+powf(z,2));
+            if ( ! radius_enabled )
+                return 1.0f;
+            else
+                return sqrtf(powf(x,2)+powf(y,2)+powf(z,2));
         }
         
         void azimuth (  float v )
@@ -109,6 +115,9 @@ public:
 
          void radius ( float v )
             {
+                if (! radius_enabled )
+                    return; 
+
                 float r = v;
 
                 spherical_to_cartesian( azimuth(), elevation(), x,y,z );
diff --git a/mixer/src/Spatialization_Console.C b/mixer/src/Spatialization_Console.C
index d525880..3466894 100644
--- a/mixer/src/Spatialization_Console.C
+++ b/mixer/src/Spatialization_Console.C
@@ -65,9 +65,6 @@ Spatialization_Console::~Spatialization_Console ( )
 
 
 
-
-
-
 
 
 void
@@ -93,7 +90,11 @@ Spatialization_Console::make_controls ( void )
 
                 p.azimuth( o->spatializer()->control_output[0].control_value() );
                 p.elevation( o->spatializer()->control_output[1].control_value() );
-                p.radius( o->spatializer()->control_output[2].control_value() );
+                if ( o->spatializer()->control_output[2].connected() )
+                {
+                    p.radius_enabled = true;
+                    p.radius( o->spatializer()->control_output[2].control_value() );
+                }
             }
             else
                 p.visible = false;
@@ -118,7 +119,8 @@ Spatialization_Console::cb_panner_value_handle ( Fl_Widget *w, void *v )
 
     cm->control_output[0].control_value( p->azimuth() );
     cm->control_output[1].control_value( p->elevation() );
-    cm->control_output[2].control_value( p->radius() );
+    if ( p->radius_enabled )
+        cm->control_output[2].control_value( p->radius() );
 }
 
 /* Display changes initiated via automation or from other parts of the GUI */
@@ -136,7 +138,8 @@ Spatialization_Console::handle_control_changed ( Controller_Module *m )
         {
             p->azimuth( m->control_output[0].control_value() );
             p->elevation( m->control_output[1].control_value() );
-            p->radius( m->control_output[2].control_value() );
+            if ( p->radius_enabled )
+                p->radius( m->control_output[2].control_value() );
 
             if ( panner->visible_r() )
                 panner->redraw();