diff --git a/Jenkinsfile b/Jenkinsfile
index bb57134..c485391 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -3,7 +3,7 @@ pipeline {
 
     parameters {
        booleanParam(defaultValue: true, description: 'Deploy this build', name: 'deploy_build')
-       choice(choices: ['none', ''win32', 'linux'], description: 'Which os do you want to build?', name: 'os_type')
+       choice(choices: ['none', 'win32', 'linux'], description: 'Which os do you want to build?', name: 'os_type')
        choice(choices: ['amd64'], description: 'Which target do you want to build?', name: 'os_arch')
        choice(choices: ['release'], description: 'Target build channel', name: 'channel')
        text(name: 'force_rebuild', defaultValue: '', description: 'Force rebuild libraries (Separate with a ";" | * = everything)')