diff --git a/src/pure/runner.ts b/src/pure/runner.ts
index 25d471ca..c2e1c87e 100644
--- a/src/pure/runner.ts
+++ b/src/pure/runner.ts
@@ -3,10 +3,9 @@ import { readFile } from "fs-extra";
 import { tmpdir } from "os";
 import { existsSync } from "fs";
 import * as path from "path";
-import { Readable } from "stream";
 
 import { chunksToLinesAsync } from "@rauschma/stringio";
-import { sanitizeFilePath } from "./utils";
+import { filterColorFormatOutput, sanitizeFilePath } from "./utils";
 import { isWindows } from "./platform";
 
 export function getDebuggerConfig() {}
@@ -112,8 +111,8 @@ export class TestRunner {
           chunksToLinesAsync(child.stderr),
         )
       ) {
-        log(line.trimEnd() + "\r\n");
-        outputs.push(line);
+        log((line.trimEnd()) + "\r\n");
+        outputs.push(filterColorFormatOutput(line));
       }
     } catch (e) {
       error = e;
diff --git a/src/pure/utils.ts b/src/pure/utils.ts
index cef644a2..6e4ebd56 100644
--- a/src/pure/utils.ts
+++ b/src/pure/utils.ts
@@ -17,7 +17,9 @@ export function getVitestPath(projectRoot: string): string | undefined {
   const suffixes = [".js", "", ".cmd"];
   for (const suffix of suffixes) {
     if (existsSync(path.resolve(node_modules, ".bin", "vitest" + suffix))) {
-      return sanitizeFilePath(path.resolve(node_modules, ".bin", "vitest" + suffix));
+      return sanitizeFilePath(
+        path.resolve(node_modules, ".bin", "vitest" + suffix),
+      );
     }
   }
 
@@ -48,13 +50,18 @@ export async function getVitestVersion(vitestPath?: string): Promise<string> {
   throw new Error(`Cannot get vitest version from "${vitestPath}"`);
 }
 
-const capitalizeFirstLetter = (string:string)=> string.charAt(0).toUpperCase() + string.slice(1);
+const capitalizeFirstLetter = (string: string) =>
+  string.charAt(0).toUpperCase() + string.slice(1);
 
-const replaceDoubleSlashes = (string:string)=> string.replace(/\\/g, "/");
+const replaceDoubleSlashes = (string: string) => string.replace(/\\/g, "/");
 
 export function sanitizeFilePath(path: string) {
-  if(isWindows) {
-  return capitalizeFirstLetter(replaceDoubleSlashes(path));
+  if (isWindows) {
+    return capitalizeFirstLetter(replaceDoubleSlashes(path));
   }
   return path;
 }
+
+export function filterColorFormatOutput(s: string): string {
+  return s.replace(/\u001b\[\d+m/g, "");
+}