diff --git a/src/Analysis.tsx b/src/Analysis.tsx
index 8993598..064ca5c 100644
--- a/src/Analysis.tsx
+++ b/src/Analysis.tsx
@@ -52,7 +52,7 @@ export default function Analysis() {
   return (
     <div className="stack column dropdown">
       <button onClick={() => setShowControlPanel(!showControlPanel)}>
-        Parameters {showControlPanel ? "⮝" : "⮟"}
+        Parameters {showControlPanel ? "🞁" : "🞃"}
       </button>
       <div id="control-panel" className={showControlPanel ? "opened" : "closed"}>