diff --git a/novelwriter/gui/search.py b/novelwriter/gui/search.py
index fdf5dbe7..644cdd72 100644
--- a/novelwriter/gui/search.py
+++ b/novelwriter/gui/search.py
@@ -35,12 +35,12 @@ from PyQt6.QtWidgets import (
 )
 
 from novelwriter import CONFIG, SHARED
-from novelwriter.common import checkInt, cssCol, qtAddAction
+from novelwriter.common import checkInt, qtAddAction
 from novelwriter.core.coretools import DocSearch
 from novelwriter.core.item import NWItem
 from novelwriter.types import (
     QtAlignMiddle, QtAlignRight, QtHeaderStretch, QtHeaderToContents,
-    QtUserRole
+    QtHexArgb, QtUserRole
 )
 
 logger = logging.getLogger(__name__)
@@ -71,6 +71,9 @@ class GuiProjectSearch(QWidget):
         self._blocked = False
         self._map: dict[str, tuple[int, float]] = {}
 
+        self.setBackgroundRole(QPalette.ColorRole.Base)
+        self.setAutoFillBackground(True)
+
         # Header
         self.viewLabel = QLabel(self.tr("Project Search"), self)
         self.viewLabel.setFont(SHARED.theme.guiFontB)
@@ -138,7 +141,6 @@ class GuiProjectSearch(QWidget):
         self.outerBox.setContentsMargins(0, 0, 0, 0)
         self.outerBox.setSpacing(2)
 
-        self.setAutoFillBackground(True)
         self.setLayout(self.outerBox)
         self.updateTheme()
 
@@ -152,12 +154,9 @@ class GuiProjectSearch(QWidget):
 
     def updateTheme(self) -> None:
         """Update theme elements."""
-
-        qPalette = self.palette()
-        colBase = cssCol(qPalette.base().color())
-        colFocus = cssCol(qPalette.highlight().color())
-        qPalette.setBrush(QPalette.ColorRole.Window, qPalette.base())
-        self.setPalette(qPalette)
+        palette = QApplication.palette()
+        colBase = palette.base().color().name(QtHexArgb)
+        colFocus = palette.highlight().color().name(QtHexArgb)
 
         self.setStyleSheet(
             "QToolBar {padding: 0; background: none;} "
diff --git a/novelwriter/types.py b/novelwriter/types.py
index e1b05ead..057de3c6 100644
--- a/novelwriter/types.py
+++ b/novelwriter/types.py
@@ -70,6 +70,7 @@ QtSelected = QStyle.StateFlag.State_Selected
 # Qt Colour Types
 
 QtHexRgb = QColor.NameFormat.HexRgb
+QtHexArgb = QColor.NameFormat.HexArgb
 
 # Qt Tree and Table Types