diff --git a/src/serverprotocol/PasLS.Symbols.pas b/src/serverprotocol/PasLS.Symbols.pas
index f6c6e2b..6e033f5 100644
--- a/src/serverprotocol/PasLS.Symbols.pas
+++ b/src/serverprotocol/PasLS.Symbols.pas
@@ -1553,6 +1553,9 @@ procedure TSymbolExtractor.ExtractCodeSection(Node: TCodeTreeNode);
   IsImplementation: Boolean;
   ConstName, VarName: String;
 begin
+  if Node = nil then
+    Exit;
+  
   IsImplementation:=(Node.Parent<>nil) and  (Node.Parent.Desc=ctnImplementation);
   LastClassSymbol:=nil;