diff --git a/VimR/VimR/AdvencedPref.swift b/VimR/VimR/AdvencedPref.swift
index 6d15e7ba..239d7003 100644
--- a/VimR/VimR/AdvencedPref.swift
+++ b/VimR/VimR/AdvencedPref.swift
@@ -90,7 +90,7 @@ final class AdvancedPref: PrefPane, UiComponent, NSTextFieldDelegate {
     self.useInteractiveZshCheckbox.boolState = self.useInteractiveZsh
     self.useLiveResizeCheckbox.boolState = self.useLiveResize
     self.drawsParallelCheckbox.boolState = self.drawsParallel
-    self.nvimBinaryField.string = self.nvimBinary ?? ""
+    self.nvimBinaryField.string = self.nvimBinary 
   }
 
   private func addViews() {
diff --git a/VimR/VimR/MainWindow+Delegates.swift b/VimR/VimR/MainWindow+Delegates.swift
index 14e6cff4..2571bfa2 100644
--- a/VimR/VimR/MainWindow+Delegates.swift
+++ b/VimR/VimR/MainWindow+Delegates.swift
@@ -102,7 +102,7 @@ extension MainWindow {
             for: .setTheme(Theme(from: nvimTheme, additionalColorDict: colors))
           )
         )
-      }, onError: {
+      }, onFailure: {
         _ in self.log.trace("oops couldn't set theme")
       })
       .disposed(by: self.disposeBag)
diff --git a/VimR/VimR/Theme.swift b/VimR/VimR/Theme.swift
index aee89e5e..89e769fe 100644
--- a/VimR/VimR/Theme.swift
+++ b/VimR/VimR/Theme.swift
@@ -39,7 +39,10 @@ struct Theme: CustomStringConvertible {
   var background = NSColor.textBackgroundColor
 
   var highlightForeground = NSColor.selectedMenuItemTextColor
-  var highlightBackground = NSColor.selectedMenuItemColor
+  // NSColor.selectedMenuItemColor is deprecated. The doc says that
+  // NSVisualEffectView.Material.selection should be used instead, but I don't know how to get
+  // an NSColor from it.
+  var highlightBackground = NSColor.selectedContentBackgroundColor
 
   var directoryForeground = NSColor.textColor