diff --git a/qt-ui/maintab.cpp b/qt-ui/maintab.cpp
index 329e5eeeb..6a3d46a99 100644
--- a/qt-ui/maintab.cpp
+++ b/qt-ui/maintab.cpp
@@ -446,6 +446,7 @@ void MainTab::acceptChanges()
 	ui->airtemp->setPalette(p);
 	ui->watertemp->setPalette(p);
 	ui->dateTimeEdit->setPalette(p);
+	mainWindow()->refreshDisplay();
 }
 
 #define EDIT_TEXT2(what, text) \