Forgot to check the reset...

src/compiler/serverCompilationContext.ml

@@ -44,7 +44,7 @@ let reset sctx =
 	Hashtbl.clear sctx.changed_directories;
 	sctx.was_compilation <- false;
 	Parser.reset_state();
-	Parallel.enable := true;
+	Parallel.enable := false;
 	Hashtbl.clear DeprecationCheck.warned_positions;
 	stats.s_files_parsed := 0;
 	stats.s_classes_built := 0;