diff --git a/src/ui/generic-components/text/TextArea.swift b/src/ui/generic-components/text/TextArea.swift
index 972301944..6cac028de 100644
--- a/src/ui/generic-components/text/TextArea.swift
+++ b/src/ui/generic-components/text/TextArea.swift
@@ -2,6 +2,7 @@ import Cocoa
 
 class TextArea: NSTextField, NSTextFieldDelegate {
     static let padding = CGFloat(5)
+    static let interLineFactor = CGFloat(1.6)
     var callback: (() -> Void)!
 
     convenience init(_ nCharactersWide: CGFloat, _ nLinesHigh: Int, _ placeholder: String, _ callback: (() -> Void)? = nil) {
@@ -10,7 +11,7 @@ class TextArea: NSTextField, NSTextFieldDelegate {
         delegate = self
         cell = TextFieldCell(placeholder, nLinesHigh == 1)
         let width: CGFloat = (font!.xHeight * nCharactersWide + TextArea.padding * 2).rounded()
-        let height: CGFloat = (fittingSize.height * CGFloat(nLinesHigh) + TextArea.padding * 2).rounded()
+        let height: CGFloat = (NSFont.systemFontSize * TextArea.interLineFactor * CGFloat(nLinesHigh) + TextArea.padding * 2).rounded()
         fit(width, height)
     }
 
diff --git a/src/ui/preferences-window/tabs/BlacklistsTab.swift b/src/ui/preferences-window/tabs/BlacklistsTab.swift
index c1959cc14..823d89d07 100644
--- a/src/ui/preferences-window/tabs/BlacklistsTab.swift
+++ b/src/ui/preferences-window/tabs/BlacklistsTab.swift
@@ -4,10 +4,10 @@ import Sparkle
 class BlacklistsTab {
     static func initTab() -> NSView {
         let dontShowBlacklistLabel = NSTextField(labelWithString: NSLocalizedString("Don’t show windows from these apps", comment: ""))
-        let dontShowBlacklist = LabelAndControl.makeTextArea(50, 3, Preferences.dontShowBlacklist.joined(separator: "\n"), "dontShowBlacklist")
+        let dontShowBlacklist = LabelAndControl.makeTextArea(50, 6, Preferences.dontShowBlacklist.joined(separator: "\n"), "dontShowBlacklist")
         let disableShortcutsBlacklistLabel = NSTextField(labelWithString: NSLocalizedString("Ignore shortcuts while a window from these apps is active", comment: ""))
         let disableShortcutsBlacklistCheckbox = LabelAndControl.makeLabelWithCheckbox(NSLocalizedString("Only if the window is fullscreen", comment: ""), "disableShortcutsBlacklistOnlyFullscreen", labelPosition: .right)
-        let disableShortcutsBlacklist = LabelAndControl.makeTextArea(50, 3, Preferences.disableShortcutsBlacklist.joined(separator: "\n"), "disableShortcutsBlacklist")
+        let disableShortcutsBlacklist = LabelAndControl.makeTextArea(50, 6, Preferences.disableShortcutsBlacklist.joined(separator: "\n"), "disableShortcutsBlacklist")
 
         let grid = GridView([
             [dontShowBlacklistLabel],