diff --git a/js/store.js b/js/store.js
index 1d4fa3b..0f3269a 100644
--- a/js/store.js
+++ b/js/store.js
@@ -82,7 +82,7 @@ export const Grade =(inTest)=>
 const Reselect =(inState, inTest)=>
 {
     /** @type {Store.Context} */
-    const output = { Test:inTest??inState.Live.Test };
+    const output = { Test:inTest??inState.Live.Test, Mark:{User:undefined} };
     const column = ColumnMapping[inState.Freq.Value];
     if(column && output.Test)
     {
@@ -93,7 +93,8 @@ const Reselect =(inState, inTest)=>
             if(plot.Hz == hz)
             {
                 output.Freq = plot;
-                output.Mark = inState.Chan.Value ? plot.UserR : plot.UserL;
+                output.Mark.User = inState.Chan.Value ? plot.UserR : plot.UserL;
+                output.Mark.Test = inState.Chan.Value ? plot.TestR : plot.TestL;
                 break;
             }
         }
@@ -179,8 +180,8 @@ export function Reducer(inState, inAction)
         if(clone.Live.Test && clone.Live.Freq)
         {
             const key = clone.Chan.Value == 0 ? "UserL" : "UserR";
-            clone.Live.Mark = Data !== null ? {Stim:clone.Stim.Value, Resp:Data} : undefined;
-            clone.Live.Freq[key] = clone.Live.Mark;
+            clone.Live.Mark.User = Data !== null ? {Stim:clone.Stim.Value, Resp:Data} : undefined;
+            clone.Live.Freq[key] = clone.Live.Mark.User;
             clone.Draw[key] = Redraw(clone.Live.Test, clone.Chan.Value, clone.Stim, true);
             clone.Live.Test.Done = Grade(clone.Live.Test);
             SaveTests(clone);
@@ -328,7 +329,7 @@ export const Initial = Reducer(
     {
         Test: undefined,
         Freq: undefined,
-        Mark: undefined
+        Mark: {User: undefined}
     },
     Draw:
     {
diff --git a/js/ui.js b/js/ui.js
index 1cb43ea..8ed01a0 100644
--- a/js/ui.js
+++ b/js/ui.js
@@ -267,7 +267,7 @@ export const Controls =()=>
                         `}
                         onClick=${()=>Dispatch({Name:"Mark", Data:null })}
                         classes="text-sm w-full"
-                        disabled=${State.Live.Mark == undefined}
+                        disabled=${State.Live.Mark.User == undefined}
                     >
                         Clear
                     <//>
@@ -284,9 +284,9 @@ export const Audiogram =()=>
     const [State] = Store.Consumer();
 
     const testMarksL = State.Draw.TestL.Points.map(p=>html`<${Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${false}/>`);
-    const userMarksL = State.Draw.UserL.Points.map(p=>html`<${Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${false} classes=${State.Live.Mark == p.Mark ? "stroke-bold":""}/>`);
+    const userMarksL = State.Draw.UserL.Points.map(p=>html`<${Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${false} classes=${State.Live.Mark.User == p.Mark ? "stroke-bold":""}/>`);
     const testMarksR = State.Draw.TestR.Points.map(p=>html`<${Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${true} />`);
-    const userMarksR = State.Draw.UserR.Points.map(p=>html`<${Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${true} classes=${State.Live.Mark == p.Mark ? "stroke-bold":""}/>`);
+    const userMarksR = State.Draw.UserR.Points.map(p=>html`<${Mark} x=${p.X} y=${p.Y} response=${p.Mark?.Resp} right=${true} classes=${State.Live.Mark.User == p.Mark ? "stroke-bold":""}/>`);
 
     const testLinesL = State.Draw.TestL.Paths.map( p=>html`<line class="opacity-60" x1=${p.Head.X} y1=${p.Head.Y} x2=${p.Tail.X} y2=${p.Tail.Y} />`);
     const userLinesL = State.Draw.UserL.Paths.map( p=>html`<line class="opacity-60" x1=${p.Head.X} y1=${p.Head.Y} x2=${p.Tail.X} y2=${p.Tail.Y} />`);
diff --git a/ts/store.d.ts b/ts/store.d.ts
index cdde39f..dda77a1 100644
--- a/ts/store.d.ts
+++ b/ts/store.d.ts
@@ -21,7 +21,11 @@ declare namespace Store {
   type Context = {
     Test?: Test;
     Freq?: TestFrequency;
-    Mark?: TestFrequencySample;
+    Mark:
+    {
+      User?: TestFrequencySample,
+      Test?: TestFrequencySample,
+    }
   };
   
   type StatePartSimple =