diff --git a/src/error.ts b/src/error.ts
index 7e5c545..8d14816 100644
--- a/src/error.ts
+++ b/src/error.ts
@@ -8,7 +8,7 @@ export class RecorderError extends Error {
 
 export class RecorderValidationError extends RecorderError {
   constructor (message: string, public errors: string[] = []) {
-    super(`${message}: ${errors.join(" ")}`);
+    super(`${message}: ${errors.join('; ')}`);
     Object.setPrototypeOf(this, RecorderValidationError.prototype);
   }
 }