diff --git a/build.sh b/build.sh
index 706667d..77b2de3 100644
--- a/build.sh
+++ b/build.sh
@@ -16,6 +16,7 @@ _install()
 {
     ARCH=`go env | grep GOARCH | cut -d \"  -f 2`
     cp bin/${ARCH} /bin/gomail
+    chmod +x /bin/gomail
     cp gomail.ini /etc/
 }