diff --git a/build-factario-container.jenkins b/build-factario-container.jenkins
index c6d0547..b644233 100644
--- a/build-factario-container.jenkins
+++ b/build-factario-container.jenkins
@@ -106,6 +106,7 @@ podTemplate(
         def workspace = pwd()
 
         writeFile(file: workspace + "/start-server.sh", text: factorioScript)
+        sh "chmod +x ${workspace}/start-server.sh"
 
         functions.buildContainer(
             repository: repository,