diff --git a/frontend/src/scripts/test/test-input.ts b/frontend/src/scripts/test/test-input.ts
index ab3f4c240..4767b9f34 100644
--- a/frontend/src/scripts/test/test-input.ts
+++ b/frontend/src/scripts/test/test-input.ts
@@ -3,7 +3,7 @@ import * as TestWords from "./test-words";
 type Keypress = {
   count: number;
   errors: number;
-  words: string[];
+  words: number[];
   afk: boolean;
 };
 
@@ -185,8 +185,8 @@ export function incrementKeypressErrors(): void {
   currentKeypress.errors++;
 }
 
-export function pushKeypressWord(word: string): void {
-  currentKeypress.words.push(word);
+export function pushKeypressWord(wordIndex: number): void {
+  currentKeypress.words.push(wordIndex);
 }
 
 export function setBurstStart(time: number): void {
diff --git a/frontend/src/scripts/test/test-stats.ts b/frontend/src/scripts/test/test-stats.ts
index 92d4f689e..d0a494d1c 100644
--- a/frontend/src/scripts/test/test-stats.ts
+++ b/frontend/src/scripts/test/test-stats.ts
@@ -16,7 +16,7 @@ type CharCount = {
 type Keypress = {
   count: number;
   errors: number;
-  words: string[];
+  words: number[];
   afk: boolean;
 };
 
@@ -41,7 +41,7 @@ type DebugStats = {
   currentKeypress: {
     count: number;
     errors: number;
-    words: string[];
+    words: number[];
     afk: boolean;
   };
   lastKeypress: number;