diff --git a/modules/swagger-codegen/src/main/resources/qt5cpp/helpers-body.mustache b/modules/swagger-codegen/src/main/resources/qt5cpp/helpers-body.mustache
index 9bbf6ab0e09..0c1e37aeff8 100644
--- a/modules/swagger-codegen/src/main/resources/qt5cpp/helpers-body.mustache
+++ b/modules/swagger-codegen/src/main/resources/qt5cpp/helpers-body.mustache
@@ -5,6 +5,7 @@
 #include <QDebug>
 #include <QJsonArray>
 #include <QJsonValue>
+#include <QDateTime>
 
 namespace Swagger {