diff --git a/dbms/src/Interpreters/ExternalDictionaries.cpp b/dbms/src/Interpreters/ExternalDictionaries.cpp
index 8ef3e2e57a1..3cfdaca0319 100644
--- a/dbms/src/Interpreters/ExternalDictionaries.cpp
+++ b/dbms/src/Interpreters/ExternalDictionaries.cpp
@@ -210,11 +210,11 @@ void ExternalDictionaries::reloadFromFile(const std::string & config_path, const
 		const auto last_modified = config_file.getLastModified();
 		if (last_modified > config_last_modified)
 		{
+			Poco::AutoPtr<Poco::Util::XMLConfiguration> config = new Poco::Util::XMLConfiguration(config_path);
+
 			/// definitions of dictionaries may have changed, recreate all of them
 			config_last_modified = last_modified;
 
-			Poco::AutoPtr<Poco::Util::XMLConfiguration> config = new Poco::Util::XMLConfiguration(config_path);
-
 			/// get all dictionaries' definitions
 			Poco::Util::AbstractConfiguration::Keys keys;
 			config->keys(keys);