diff --git a/BauSystem_Linkage/src/de/steamwar/bausystem/linkage/LinkageProcessor.java b/BauSystem_Linkage/src/de/steamwar/bausystem/linkage/LinkageProcessor.java
index f615dd1f..8509bfe5 100644
--- a/BauSystem_Linkage/src/de/steamwar/bausystem/linkage/LinkageProcessor.java
+++ b/BauSystem_Linkage/src/de/steamwar/bausystem/linkage/LinkageProcessor.java
@@ -117,7 +117,7 @@ public class LinkageProcessor extends AbstractProcessor {
         writer.write("package de.steamwar.bausystem.linkage;\n\n");
         writer.write("public class LinkageUtils {\n");
         for (String s : fields) {
-            writer.write("    public static " + s + ";\n");
+            writer.write("    private static final " + s + ";\n");
         }
         writer.write("\n");
         writer.write("    public static void link() {\n");