diff --git a/Flow.Launcher/Resources/Dark.xaml b/Flow.Launcher/Resources/Dark.xaml
index 25cc8e878..f1ebba080 100644
--- a/Flow.Launcher/Resources/Dark.xaml
+++ b/Flow.Launcher/Resources/Dark.xaml
@@ -115,6 +115,8 @@
     <SolidColorBrush x:Key="InfoBarWarningIcon" Color="#FCE100" />
     <SolidColorBrush x:Key="InfoBarWarningBG" Color="#433519" />
     <SolidColorBrush x:Key="InfoBarBD" Color="#19000000" />
+    
+    <SolidColorBrush x:Key="MouseOverWindowCloseButtonForegroundBrush" Color="#ffffff" />
 
     <SolidColorBrush x:Key="ButtonOutBorder" Color="Transparent" />
     <SolidColorBrush x:Key="ButtonInsideBorder" Color="#3f3f3f" />
diff --git a/Flow.Launcher/Resources/Light.xaml b/Flow.Launcher/Resources/Light.xaml
index b9f65ce96..12b35971d 100644
--- a/Flow.Launcher/Resources/Light.xaml
+++ b/Flow.Launcher/Resources/Light.xaml
@@ -107,6 +107,7 @@
     <SolidColorBrush x:Key="InfoBarWarningBG" Color="#FFF4CE" />
     <SolidColorBrush x:Key="InfoBarBD" Color="#0F000000" />
 
+    <SolidColorBrush x:Key="MouseOverWindowCloseButtonForegroundBrush" Color="#ffffff" />
 
     <SolidColorBrush x:Key="ButtonOutBorder" Color="#e5e5e5" />
     <SolidColorBrush x:Key="ButtonInsideBorder" Color="#d3d3d3" />