diff --git a/SpiralSound/Plugins/MixSwitchPlugin/MixSwitchPlugin.C b/SpiralSound/Plugins/MixSwitchPlugin/MixSwitchPlugin.C
index 461df4b..cb5e82b 100644
--- a/SpiralSound/Plugins/MixSwitchPlugin/MixSwitchPlugin.C
+++ b/SpiralSound/Plugins/MixSwitchPlugin/MixSwitchPlugin.C
@@ -29,6 +29,7 @@ extern "C" {
 
    int GetID () { return 126; }
 
+   string GetGroupName() { return "Maths/Logic"; }
 }
 
 ///////////////////////////////////////////////////////
diff --git a/SpiralSound/Plugins/SplitSwitchPlugin/SplitSwitchPlugin.C b/SpiralSound/Plugins/SplitSwitchPlugin/SplitSwitchPlugin.C
index ddff326..8483468 100644
--- a/SpiralSound/Plugins/SplitSwitchPlugin/SplitSwitchPlugin.C
+++ b/SpiralSound/Plugins/SplitSwitchPlugin/SplitSwitchPlugin.C
@@ -29,6 +29,7 @@ extern "C" {
 
    int GetID () { return 125; }
 
+   string GetGroupName() { return "Maths/Logic"; }
 }
 
 ///////////////////////////////////////////////////////