diff --git a/packages/vitest/src/node/error.ts b/packages/vitest/src/node/error.ts
index b099cb068e1b..98d097d3b79f 100644
--- a/packages/vitest/src/node/error.ts
+++ b/packages/vitest/src/node/error.ts
@@ -191,6 +191,10 @@ export function displayDiff(diff: string | null, console: Console) {
 
 function printErrorMessage(error: ErrorWithDiff, logger: Logger) {
   const errorName = error.name || error.nameStr || 'Unknown Error'
+  if (!(error instanceof Error)) {
+    logger.error(error)
+    return
+  }
   if (error.message.length > 5000) {
     // Protect against infinite stack trace in picocolors
     logger.error(`${c.red(c.bold(errorName))}: ${error.message}`)