diff --git a/validator.go b/validator.go
index 3ef9636..4f82f69 100644
--- a/validator.go
+++ b/validator.go
@@ -226,7 +226,7 @@ OUTER:
 
 		case typeOr:
 
-			errTag := ""
+			errTag := make([]byte, 0, 64)
 
 			for {
 
@@ -252,7 +252,8 @@ OUTER:
 					}
 				}
 
-				errTag += orSeparator + ct.tag
+				errTag = append(errTag, '|')
+				errTag = append(errTag, ct.tag...)
 
 				if ct.next == nil {
 					// if we get here, no valid 'or' value and no more tags
@@ -278,8 +279,8 @@ OUTER:
 
 						v.errs = append(v.errs,
 							&fieldError{
-								tag:         errTag[1:],
-								actualTag:   errTag[1:],
+								tag:         string(errTag)[1:],
+								actualTag:   string(errTag)[1:],
 								ns:          string(append(ns, cf.AltName...)),
 								structNs:    string(append(structNs, cf.Name...)),
 								field:       cf.AltName,
diff --git a/validator_instance.go b/validator_instance.go
index 1433259..54a9f77 100644
--- a/validator_instance.go
+++ b/validator_instance.go
@@ -89,7 +89,8 @@ func New() *Validate {
 	v.pool = &sync.Pool{
 		New: func() interface{} {
 			return &validate{
-				v: v,
+				v:    v,
+				errs: make(ValidationErrors, 0, 4),
 			}
 		},
 	}