diff --git a/src/frontend/src/constants/constants.ts b/src/frontend/src/constants/constants.ts
index 0ff77cf45..68730bbf9 100644
--- a/src/frontend/src/constants/constants.ts
+++ b/src/frontend/src/constants/constants.ts
@@ -29,6 +29,7 @@ export const INVALID_CHARACTERS = [
  */
 
 export const regexHighlight = /\{([^}]+)\}/g;
+export const specialCharsRegex = /[!@#$%^&*()\-_=+[\]{}|;:'",.<>/?\\]/;
 
 export const programmingLanguages: languageMap = {
   javascript: ".js",
diff --git a/src/frontend/src/utils/reactflowUtils.ts b/src/frontend/src/utils/reactflowUtils.ts
index 0b3449b45..ae7de3f0d 100644
--- a/src/frontend/src/utils/reactflowUtils.ts
+++ b/src/frontend/src/utils/reactflowUtils.ts
@@ -4,6 +4,7 @@ import { APITemplateType } from "../types/api";
 import { FlowType, NodeType } from "../types/flow";
 import { cleanEdgesType } from "../types/utils/reactflowUtils";
 import { toNormalCase } from "./utils";
+import { specialCharsRegex } from "../constants/constants";
 
 export function cleanEdges({
   flow: { edges, nodes },
@@ -235,7 +236,11 @@ export function addVersionToDuplicates(flow: FlowType, flows: FlowType[]) {
 
 export function handleKeyDown(e: React.KeyboardEvent<HTMLInputElement>, inputValue: string | string[] | null, block: string)
 {
-  if (typeof inputValue === "string" && e.ctrlKey && e.key === "Backspace" && (inputValue === block || inputValue?.charAt(inputValue?.length - 1) === ' ')) {
+
+  if (typeof inputValue === "string" && e.ctrlKey && e.key === "Backspace" && 
+  (inputValue === block || inputValue?.charAt(inputValue?.length - 1) === ' '
+  || specialCharsRegex.test(inputValue?.charAt(inputValue?.length - 1))
+  )) {
     e.preventDefault();
     e.stopPropagation();
   }