diff --git a/mixer/src/Controller_Module.C b/mixer/src/Controller_Module.C
index 133d103..4ed207b 100644
--- a/mixer/src/Controller_Module.C
+++ b/mixer/src/Controller_Module.C
@@ -281,6 +281,7 @@ Controller_Module::connect_spatializer_to ( Module *m )
             init_sizes();
         }
 
+        _type = SPATIALIZATION;
         return true;
     }
 }
@@ -300,6 +301,7 @@ Controller_Module::connect_to ( Port *p )
         w = o;
         o->value( p->control_value() );
 
+        _type = TOGGLE;
     }
     else if ( p->hints.type == Module::Port::Hints::INTEGER )
     {
@@ -317,6 +319,8 @@ Controller_Module::connect_to ( Port *p )
             o->maximum( p->hints.maximum );
         }
 
+        _type = SPINNER;
+
         o->value( p->control_value() );
     }
     else if ( p->hints.type == Module::Port::Hints::LOGARITHMIC )
@@ -340,6 +344,8 @@ Controller_Module::connect_to ( Port *p )
         }
 
         o->value( p->control_value() );
+
+        _type = SLIDER;
     }
     else
     {
@@ -358,6 +364,7 @@ Controller_Module::connect_to ( Port *p )
             o->value( p->control_value() );
         }
 
+        _type = KNOB;
     }
 
     control_value = p->control_value();
@@ -490,7 +497,8 @@ Controller_Module::handle ( int m )
             if ( test_press( FL_BUTTON3 ) )
             {
                 /* context menu */
-                menu_popup( &menu() );
+                if ( type() != SPATIALIZATION )
+                    menu_popup( &menu() );
 
                 return 1;
             }
@@ -509,9 +517,8 @@ Controller_Module::handle_control_changed ( Port * )
     if ( contains( Fl::pushed() ) )
         return;
 
-    if ( control_output.size() > 1 )
+    if ( type() == SPATIALIZATION )
     {
-        /* spatializer */
         Panner *pan = (Panner*)control;
 
         pan->point( 0 )->azimuth( control_output[0].control_value() );
@@ -534,9 +541,8 @@ Controller_Module::process ( nframes_t nframes )
 {
     THREAD_ASSERT( RT );
 
-    if ( control_output.size() > 1 )
+    if ( type() == SPATIALIZATION )
     {
-        /* this is a spatializer controller... */
         return;
     }
 
diff --git a/mixer/src/Controller_Module.H b/mixer/src/Controller_Module.H
index 10871e7..a452442 100644
--- a/mixer/src/Controller_Module.H
+++ b/mixer/src/Controller_Module.H
@@ -46,9 +46,17 @@ public:
 
     enum Mode { GUI, CV, OSC, MIDI };
 
+    enum Type { KNOB,
+                SLIDER,
+                SPINNER,
+                TOGGLE,
+                SPATIALIZATION };
+
     Mode mode ( void ) const { return _mode; }
     void mode ( Mode v );
 
+    Type type ( void ) const { return _type; }
+
     Controller_Module ( bool is_default = false );
     virtual ~Controller_Module ( );
 
@@ -90,6 +98,7 @@ private:
 
     std::vector<JACK::Port> jack_input;
     Mode _mode;
+    Type _type;
 
     Fl_Valuator *control;