diff --git a/frontend/src/ts/input/handlers/before-delete.ts b/frontend/src/ts/input/handlers/before-delete.ts
index a16d1c0a6..79fb28d77 100644
--- a/frontend/src/ts/input/handlers/before-delete.ts
+++ b/frontend/src/ts/input/handlers/before-delete.ts
@@ -4,12 +4,23 @@ import * as TestState from "../../test/test-state";
 import * as TestWords from "../../test/test-words";
 import { getInputElementValue } from "../input-element";
 import * as TestUI from "../../test/test-ui";
+import { isAwaitingNextWord } from "../state";
 
 export function onBeforeDelete(event: InputEvent): void {
   if (!TestState.isActive) {
     event.preventDefault();
     return;
   }
+  if (TestState.testRestarting) {
+    return;
+  }
+  if (isAwaitingNextWord()) {
+    return;
+  }
+  if (TestUI.resultCalculating) {
+    return;
+  }
+
   const { inputValue } = getInputElementValue();
   const inputIsEmpty = inputValue === "";