diff --git a/mixer/src/AUX_Module.C b/mixer/src/AUX_Module.C
index 79ce0fb..d8aa58e 100644
--- a/mixer/src/AUX_Module.C
+++ b/mixer/src/AUX_Module.C
@@ -33,7 +33,7 @@ AUX_Module::AUX_Module ( ) : JACK_Module ( false )
 
     {
         Port p( this, Port::INPUT, Port::CONTROL, "Gain (dB)" );
-        p.hints.type = Port::Hints::LOGARITHMIC;
+        p.hints.type = Port::Hints::LINEAR;
         p.hints.ranged = true;
         p.hints.minimum = -70.0f;
         p.hints.maximum = 6.0f;
diff --git a/mixer/src/Gain_Module.C b/mixer/src/Gain_Module.C
index cb8a123..ecd5fe1 100644
--- a/mixer/src/Gain_Module.C
+++ b/mixer/src/Gain_Module.C
@@ -32,7 +32,7 @@ Gain_Module::Gain_Module ( )
 
     {
         Port p( this, Port::INPUT, Port::CONTROL, "Gain (dB)" );
-        p.hints.type = Port::Hints::LOGARITHMIC;
+        p.hints.type = Port::Hints::LINEAR;
         p.hints.ranged = true;
         p.hints.minimum = -70.0f;
         p.hints.maximum = 6.0f;