diff --git a/frontend/src/ts/input/handlers/insert-text.ts b/frontend/src/ts/input/handlers/insert-text.ts
index b3d2559e2..e7690ba09 100644
--- a/frontend/src/ts/input/handlers/insert-text.ts
+++ b/frontend/src/ts/input/handlers/insert-text.ts
@@ -135,7 +135,10 @@ export async function onInsertText(options: OnInsertTextParams): Promise<void> {
   // is char correct
   const funboxCorrect = findSingleActiveFunboxWithFunction(
     "isCharCorrect"
-  )?.functions.isCharCorrect(data, currentWord[inputValue.length] ?? "");
+  )?.functions.isCharCorrect(
+    data,
+    currentWord[(testInput + data).length - 1] ?? ""
+  );
   const correct =
     funboxCorrect ??
     isCharCorrect({
diff --git a/frontend/src/ts/test/funbox/funbox-functions.ts b/frontend/src/ts/test/funbox/funbox-functions.ts
index 2b66718af..d26512871 100644
--- a/frontend/src/ts/test/funbox/funbox-functions.ts
+++ b/frontend/src/ts/test/funbox/funbox-functions.ts
@@ -257,25 +257,34 @@ const list: Partial<Record<FunboxName, FunboxFunctions>> = {
     },
     isCharCorrect(char: string, originalChar: string): boolean {
       if (
-        (char === "a" || char === "ArrowLeft" || char === "j") &&
+        (char === "a" ||
+          char === "ArrowLeft" ||
+          char === "j" ||
+          char === "←") &&
         originalChar === "←"
       ) {
         return true;
       }
       if (
-        (char === "s" || char === "ArrowDown" || char === "k") &&
+        (char === "s" ||
+          char === "ArrowDown" ||
+          char === "k" ||
+          char === "↓") &&
         originalChar === "↓"
       ) {
         return true;
       }
       if (
-        (char === "w" || char === "ArrowUp" || char === "i") &&
+        (char === "w" || char === "ArrowUp" || char === "i" || char === "↑") &&
         originalChar === "↑"
       ) {
         return true;
       }
       if (
-        (char === "d" || char === "ArrowRight" || char === "l") &&
+        (char === "d" ||
+          char === "ArrowRight" ||
+          char === "l" ||
+          char === "→") &&
         originalChar === "→"
       ) {
         return true;