diff --git a/CodeCompletion/DomSyntaxTreeVisitor.cs b/CodeCompletion/DomSyntaxTreeVisitor.cs
index 81460118f..fa5f9911e 100644
--- a/CodeCompletion/DomSyntaxTreeVisitor.cs
+++ b/CodeCompletion/DomSyntaxTreeVisitor.cs
@@ -2205,7 +2205,7 @@ namespace CodeCompletion
 #endif
                     }
                 }
-            if (_program_module.program_block.program_code != null)
+            if (cur_scope != null && _program_module.program_block.program_code != null)
             {
                 cur_scope.body_loc = new location(_program_module.program_block.program_code.left_logical_bracket.source_context.end_position.line_num,
                                                   _program_module.program_block.program_code.left_logical_bracket.source_context.end_position.column_num,
diff --git a/TestSuite/generics10.pas b/TestSuite/generics10.pas
new file mode 100644
index 000000000..37ab0f799
--- /dev/null
+++ b/TestSuite/generics10.pas
@@ -0,0 +1,5 @@
+begin
+  var arr := Range(1,5).Select(i->i.ToString).ToArray;
+  assert(arr[0] = '1');
+  assert(arr[4] = '5');
+end.
\ No newline at end of file