diff --git a/src/js/input-controller.js b/src/js/input-controller.js
index 272e1e3d7..b7a5639fa 100644
--- a/src/js/input-controller.js
+++ b/src/js/input-controller.js
@@ -167,7 +167,7 @@ function handleBackspace(event) {
       // }
 
       if (
-        /^[ £§`~!@#$%^&*()_+-=[\]{};':"|,./<>?]*$/g.test(
+        /^[ £§`~!@#$%^&*()_+\-=[\]{};':"|,./<>?]*$/g.test(
           TestLogic.input.getCurrent()
         )
       ) {
@@ -186,20 +186,22 @@ function handleBackspace(event) {
         TestLogic.input.popHistory();
         TestLogic.corrected.popHistory();
       } else {
-        const regex = new RegExp(/[ £§`~!@#$%^&*()_+-=[\]{};':"|,./<>?]/, "g");
+        const regex = new RegExp(/[ £§`~!@#$%^&*()_+\-=[\]{};':"|,./<>?]/, "g");
 
         let input = TestLogic.input.getCurrent();
 
         regex.test(input);
         // let puncIndex = regex.lastIndex;
         let puncIndex = input.lastIndexOfRegex(
-          /[ £§`~!@#$%^&*()_+-=[\]{};':"|,./<>?]/g
+          /[ £§`~!@#$%^&*()_+\-=[\]{};':"|,./<>?]/g
         );
-        while (/[ £§`~!@#$%^&*()_+-=[\]{};':"|,./<>?]/g.test(input.slice(-1))) {
+        while (
+          /[ £§`~!@#$%^&*()_+\-=[\]{};':"|,./<>?]/g.test(input.slice(-1))
+        ) {
           input = input.substring(0, input.length - 1);
         }
         puncIndex = input.lastIndexOfRegex(
-          /[ £§`~!@#$%^&*()_+-=[\]{};':"|,./<>?]/g
+          /[ £§`~!@#$%^&*()_+\-=[\]{};':"|,./<>?]/g
         );
         TestLogic.input.setCurrent(input.substring(0, puncIndex + 1));
       }