diff --git a/unveil_openbsd.go b/unveil_openbsd.go
index c913e79..f32d630 100644
--- a/unveil_openbsd.go
+++ b/unveil_openbsd.go
@@ -15,7 +15,7 @@ import (
 func Unveil(path, flags string) (err error) {
 	err = unix.Unveil(path, flags)
 	if err != nil {
-		err = errors.New("unveil: ", err.Error())
+		err = errors.New("unveil: " + err.Error())
 	}
 	return
 }
@@ -26,7 +26,7 @@ func Unveil(path, flags string) (err error) {
 func UnveilBlock() (err error) {
 	err = unix.UnveilBlock()
 	if err != nil {
-		err = errors.New("unveil: ", err.Error())
+		err = errors.New("unveil: " + err.Error())
 	}
 	return
 }