diff --git a/pglablib/codebuilder/DefaultConfigs.cpp b/pglablib/codebuilder/DefaultConfigs.cpp
index 9510c2e..cebbe21 100644
--- a/pglablib/codebuilder/DefaultConfigs.cpp
+++ b/pglablib/codebuilder/DefaultConfigs.cpp
@@ -27,7 +27,7 @@ std::shared_ptr<const TypeMappings>  GetPglabCppTypeMappings(std::shared_ptr<con
 		{ float4_oid, "float" },
 		{ float8_oid, "double" }
 	});
-	tm->setDefaultStringType("std::string");
+	tm->setDefaultStringType("QString");
 	tm->setDefaultContainerType("std::vector<%1>");
 	return tm;
 }