diff --git a/src/nqrduck_spectrometer/settings.py b/src/nqrduck_spectrometer/settings.py
index b67ef1b..03efaa6 100644
--- a/src/nqrduck_spectrometer/settings.py
+++ b/src/nqrduck_spectrometer/settings.py
@@ -87,7 +87,7 @@ class Setting(QObject):
             self.validator.validate(self.widget.text(), 0)
             == QValidator.State.Acceptable
         ):
-            self.widget.setStyleSheet("QLineEdit { background-color: transparent; }")
+            self.widget.setStyleSheet("")
         elif (
             self.validator.validate(self.widget.text(), 0)
             == QValidator.State.Intermediate