diff --git a/sources/ui/configpage/generalconfigurationpage.cpp b/sources/ui/configpage/generalconfigurationpage.cpp
index 61aedafc4..c0a859861 100644
--- a/sources/ui/configpage/generalconfigurationpage.cpp
+++ b/sources/ui/configpage/generalconfigurationpage.cpp
@@ -178,8 +178,10 @@ void GeneralConfigurationPage::applyConf()
 	settings.setValue("lang", ui->m_lang_cb->itemData(ui->m_lang_cb->currentIndex()).toString());
 
 		//hdpi
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
 	QetSettings::setHdpiScaleFactorRoundingPolicy(ui->m_hdpi_round_policy_cb->currentData().toString());
 	QGuiApplication::setHighDpiScaleFactorRoundingPolicy(QetSettings::hdpiScaleFactorRoundingPolicy());
+#endif
 
 		//ELEMENT EDITOR
 	settings.setValue("elementeditor/default-informations", ui->m_default_elements_info->toPlainText());
diff --git a/sources/utils/qetsettings.cpp b/sources/utils/qetsettings.cpp
index 6f07f727f..e0ae5a0d7 100644
--- a/sources/utils/qetsettings.cpp
+++ b/sources/utils/qetsettings.cpp
@@ -22,7 +22,7 @@
 
 namespace QetSettings
 {
-
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
 	/**
 	* @brief setHdpiScaleFactorRoundingPolicy
 	* Write the value of HdpiScaleFactorRoundingPolicy in
@@ -106,4 +106,5 @@ namespace QetSettings
 			return default_policy;
 		}
 	}
+#endif
 }
diff --git a/sources/utils/qetsettings.h b/sources/utils/qetsettings.h
index d3c803cd1..80c246e2e 100644
--- a/sources/utils/qetsettings.h
+++ b/sources/utils/qetsettings.h
@@ -28,10 +28,12 @@
  */
 namespace QetSettings
 {
+#if QT_VERSION >= QT_VERSION_CHECK(5, 14, 0)
 	void setHdpiScaleFactorRoundingPolicy(const QString &policy_str);
 	void setHdpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy policy);
 	Qt::HighDpiScaleFactorRoundingPolicy hdpiScaleFactorRoundingPolicy(
 			Qt::HighDpiScaleFactorRoundingPolicy default_policy = Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
+#endif
 }
 
 #endif // QETSETTINGS_H