diff --git a/src/de/inetsoftware/jwebassembly/module/BranchManger.java b/src/de/inetsoftware/jwebassembly/module/BranchManger.java
index 9d16279..221497c 100644
--- a/src/de/inetsoftware/jwebassembly/module/BranchManger.java
+++ b/src/de/inetsoftware/jwebassembly/module/BranchManger.java
@@ -340,9 +340,9 @@ class BranchManger {
      */
     private static class BranchNode extends ArrayList<BranchNode> {
 
-        final int                       startPos;
+        private final int               startPos;
 
-        final int                       endPos;
+        private final int               endPos;
 
         private final WasmBlockOperator startOp;