diff --git a/src/scripts/runaction/action.py b/src/scripts/runaction/action.py
--- a/src/scripts/runaction/action.py
+++ b/src/scripts/runaction/action.py
@@ -16,9 +16,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # ============================================================
 import Falkon
-import os, re, enum, shlex
+import os
+import re
+import enum
+import shlex
 from PySide2 import QtCore, QtGui
 
+
 class Action():
     class Type(enum.Enum):
         Invalid, Url, Command = range(3)
@@ -53,19 +57,22 @@
         self.supported = data.tryExec()
 
     def testAction(self, condition, url):
-        if not self.supported: return False
-        if not condition in self.typeCondition: return False
-        if not re.match(self.urlCondition, url.toString()): return False
+        if not self.supported:
+            return False
+        if condition not in self.typeCondition:
+            return False
+        if not re.match(self.urlCondition, url.toString()):
+            return False
         return True
 
     def execAction(self, url, text=""):
-        url = str(url.toEncoded())
+        url = str(url.toEncoded(), "utf-8")
         if self.actionType == Action.Type.Command:
             url = shlex.quote(url)
             text = shlex.quote(text)
         elif self.actionType == Action.Type.Url:
-            url = str(QtCore.QUrl.toPercentEncoding(url))
-            text = str(QtCore.QUrl.toPercentEncoding(text))
+            url = str(QtCore.QUrl.toPercentEncoding(url), "utf-8")
+            text = str(QtCore.QUrl.toPercentEncoding(text), "utf-8")
         command = self.normalExec if text == "" else self.textExec
         command = command.replace("{url}", url)
         command = command.replace("{text}", text)
diff --git a/src/scripts/runaction/actionmanager.py b/src/scripts/runaction/actionmanager.py
--- a/src/scripts/runaction/actionmanager.py
+++ b/src/scripts/runaction/actionmanager.py
@@ -16,11 +16,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # ============================================================
 import Falkon
-import os, subprocess
-from PySide2 import QtCore, QtGui, QtWidgets, QtUiTools
+import os
+import subprocess
+from PySide2 import QtCore
 from runaction.action import Action
 from runaction.settingsdialog import SettingsDialog
 
+
 class ActionManager(QtCore.QObject):
     actions = []
 
@@ -58,7 +60,7 @@
                 act = Falkon.Action(action.icon, action.title, self)
                 act.triggered.connect(lambda a=action, w=webView, u=url, t=text: self.execAction(a, w, u, t))
                 if action.submenu:
-                    if not action.submenu in menus:
+                    if action.submenu not in menus:
                         menu = Falkon.Menu(action.menuTitle, webView)
                         menus[action.submenu] = menu
                         out.append(menu)
diff --git a/src/scripts/runaction/button.py b/src/scripts/runaction/button.py
--- a/src/scripts/runaction/button.py
+++ b/src/scripts/runaction/button.py
@@ -20,6 +20,7 @@
 from PySide2 import QtGui, QtWidgets
 from runaction.i18n import i18n
 
+
 class RunActionButton(Falkon.AbstractButtonInterface):
     def __init__(self, manager):
         super().__init__()
diff --git a/src/scripts/runaction/runaction.py b/src/scripts/runaction/runaction.py
--- a/src/scripts/runaction/runaction.py
+++ b/src/scripts/runaction/runaction.py
@@ -19,6 +19,7 @@
 from PySide2 import QtCore
 from runaction import actionmanager, button
 
+
 class RunActionPlugin(Falkon.PluginInterface, QtCore.QObject):
     buttons = {}
     manager = None
@@ -61,10 +62,12 @@
         self.buttons[window] = b
 
     def mainWindowDeleted(self, window):
-        if not window in self.buttons: return
+        if window not in self.buttons:
+            return
         b = self.buttons[window]
         window.statusBar().removeButton(b)
         window.navigationBar().removeToolButton(b)
         del self.buttons[window]
 
+
 Falkon.registerPlugin(RunActionPlugin())
diff --git a/src/scripts/runaction/settings.ui b/src/scripts/runaction/settings.ui
--- a/src/scripts/runaction/settings.ui
+++ b/src/scripts/runaction/settings.ui
@@ -15,7 +15,14 @@
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <widget class="QLabel" name="label"/>
+    <widget class="QLabel" name="label">
+     <property name="font">
+      <font>
+       <weight>75</weight>
+       <bold>true</bold>
+      </font>
+     </property>
+    </widget>
    </item>
    <item>
     <widget class="QListWidget" name="listWidget">
@@ -28,6 +35,9 @@
        <height>16</height>
       </size>
      </property>
+     <property name="verticalScrollMode">
+      <enum>QAbstractItemView::ScrollPerPixel</enum>
+     </property>
      <property name="uniformItemSizes">
       <bool>true</bool>
      </property>
diff --git a/src/scripts/runaction/settingsdialog.py b/src/scripts/runaction/settingsdialog.py
--- a/src/scripts/runaction/settingsdialog.py
+++ b/src/scripts/runaction/settingsdialog.py
@@ -15,11 +15,11 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # ============================================================
-import Falkon
 import os
-from PySide2 import QtCore, QtGui, QtWidgets, QtUiTools
+from PySide2 import QtCore, QtWidgets, QtUiTools
 from runaction.i18n import i18n
 
+
 class SettingsDialog(QtWidgets.QDialog):
     def __init__(self, manager, parent=None):
         super().__init__(parent)
@@ -36,7 +36,7 @@
 
         self.setMinimumSize(400, 250)
         self.setWindowTitle(i18n("Run Action Settings"))
-        self.ui.label.setText("<b>{}</b>".format(i18n("Available actions")))
+        self.ui.label.setText(i18n("Available actions"))
 
         for action in self.manager.actions:
             item = QtWidgets.QListWidgetItem(self.ui.listWidget)