diff --git a/command/push.go b/command/push.go
index e935ff83e..55c76e1ab 100644
--- a/command/push.go
+++ b/command/push.go
@@ -18,7 +18,7 @@ import (
 const archiveTemplateEntry = ".packer-template"
 
 var (
-	reName         = regexp.MustCompile("^[a-zA-Z0-9-_/]+$")
+	reName         = regexp.MustCompile("^[a-zA-Z0-9-_./]+$")
 	errInvalidName = fmt.Errorf("Your build name can only contain these characters: %s", reName.String())
 )