diff --git a/programs/library-bridge/SharedLibraryHandlerFactory.cpp b/programs/library-bridge/SharedLibraryHandlerFactory.cpp
index 05494c313c4..af8c1ced016 100644
--- a/programs/library-bridge/SharedLibraryHandlerFactory.cpp
+++ b/programs/library-bridge/SharedLibraryHandlerFactory.cpp
@@ -17,7 +17,7 @@ SharedLibraryHandlerPtr SharedLibraryHandlerFactory::get(const std::string & dic
     if (library_handler != library_handlers.end())
         return library_handler->second;
 
-    return nullptr;
+    throw Exception(ErrorCodes::BAD_ARGUMENTS, "Not found dictionary with id: {}", dictionary_id);
 }