diff --git a/server/src/tools/semantic_tokens.py b/server/src/tools/semantic_tokens.py
index dc1a6f5..b2f762e 100644
--- a/server/src/tools/semantic_tokens.py
+++ b/server/src/tools/semantic_tokens.py
@@ -45,6 +45,37 @@ class _Highlighter(Visitor):
         self._tokens = []
         self.log_to_output = log_to_output
 
+    def _get_token_info(self, node):
+        """Hilfsmethode um Token-Informationen aus verschiedenen Node-Typen zu extrahieren."""
+        if not hasattr(node, "pos"):
+            return None
+
+        # Einfacher Fall: Node hat direkten value
+        if hasattr(node, "value") and node.value is not None:
+            line, col = node.pos
+            return (line - 1, col - 1), len(node.value)
+
+        # CompoundBareWord: versuche erstes Segment
+        if hasattr(node, "children") and node.children:
+            first_segment = node.children[0]
+            if (
+                hasattr(first_segment, "value")
+                and first_segment.value is not None
+                and hasattr(first_segment, "pos")
+            ):
+                line, col = first_segment.pos
+                return (line - 1, col - 1), len(first_segment.value)
+
+        # Fallback: Gesamtlänge aus Positionen berechnen
+        if hasattr(node, "end_pos"):
+            start_line, start_col = node.pos
+            end_line, end_col = node.end_pos
+            if start_line == end_line:
+                length = end_col - start_col
+                return (start_line - 1, start_col - 1), length
+
+        return None
+
     def visit_quoted_word(self, word: QuotedWord):
         if not word.contents:
             return
@@ -78,13 +109,14 @@ class _Highlighter(Visitor):
             )
         if routine.contents == "set" and command.args:
             first_arg = command.args[0]
-            if hasattr(first_arg, "pos") and hasattr(first_arg, "value"):
-                line, col = first_arg.pos
+            token_info = self._get_token_info(first_arg)
+            if token_info:
+                (line, col), length = token_info
                 self._tokens.append(
                     (
                         (
-                            (line - 1, col - 1),
-                            len(first_arg.value),
+                            (line, col),
+                            length,
                             "variable",
                             [TokenModifier.declaration],
                         )