diff --git a/src/main/java/tech/nevets/autoupdater/Config.java b/src/main/java/tech/nevets/autoupdater/Config.java
index cc60ab8..e481c9b 100644
--- a/src/main/java/tech/nevets/autoupdater/Config.java
+++ b/src/main/java/tech/nevets/autoupdater/Config.java
@@ -20,7 +20,7 @@ public class Config {
                 FileWriter writer = new FileWriter(jsonFile);
                 writer.write("{ " +
                         "\"docker-socket\":\"unix:///var/run/docker.sock\", " +
-                        "\"port\":8080" +
+                        "\"port\":8080, " +
                         "\"verbose\":false" +
                         " }");
                 writer.close();