diff --git a/apps/opencs/model/prefs/modifiersetting.cpp b/apps/opencs/model/prefs/modifiersetting.cpp
index 53db4c8521..86a8dc6274 100644
--- a/apps/opencs/model/prefs/modifiersetting.cpp
+++ b/apps/opencs/model/prefs/modifiersetting.cpp
@@ -20,7 +20,7 @@ class QWidget;
 namespace CSMPrefs
 {
     ModifierSetting::ModifierSetting(
-        Category* parent, QMutex* mutex, const std::string& key, const QString& label, Settings::Index& index)
+        Category* parent, QMutex* mutex, std::string_view key, const QString& label, Settings::Index& index)
         : TypedSetting(parent, mutex, key, label, index)
         , mButton(nullptr)
         , mEditorActive(false)
diff --git a/apps/opencs/model/prefs/modifiersetting.hpp b/apps/opencs/model/prefs/modifiersetting.hpp
index cf9ce8f149..76a3a82e71 100644
--- a/apps/opencs/model/prefs/modifiersetting.hpp
+++ b/apps/opencs/model/prefs/modifiersetting.hpp
@@ -22,7 +22,7 @@ namespace CSMPrefs
 
     public:
         explicit ModifierSetting(
-            Category* parent, QMutex* mutex, const std::string& key, const QString& label, Settings::Index& index);
+            Category* parent, QMutex* mutex, std::string_view key, const QString& label, Settings::Index& index);
 
         SettingWidgets makeWidgets(QWidget* parent) override;
 
diff --git a/apps/opencs/model/prefs/setting.cpp b/apps/opencs/model/prefs/setting.cpp
index cc5077dc83..3c2ac65c94 100644
--- a/apps/opencs/model/prefs/setting.cpp
+++ b/apps/opencs/model/prefs/setting.cpp
@@ -16,7 +16,7 @@ QMutex* CSMPrefs::Setting::getMutex()
 }
 
 CSMPrefs::Setting::Setting(
-    Category* parent, QMutex* mutex, const std::string& key, const QString& label, Settings::Index& index)
+    Category* parent, QMutex* mutex, std::string_view key, const QString& label, Settings::Index& index)
     : QObject(parent->getState())
     , mParent(parent)
     , mMutex(mutex)
diff --git a/apps/opencs/model/prefs/setting.hpp b/apps/opencs/model/prefs/setting.hpp
index f5d9e83ef1..0f4840f713 100644
--- a/apps/opencs/model/prefs/setting.hpp
+++ b/apps/opencs/model/prefs/setting.hpp
@@ -62,7 +62,7 @@ namespace CSMPrefs
 
     public:
         explicit Setting(
-            Category* parent, QMutex* mutex, const std::string& key, const QString& label, Settings::Index& index);
+            Category* parent, QMutex* mutex, std::string_view key, const QString& label, Settings::Index& index);
 
         ~Setting() override = default;
 
diff --git a/apps/opencs/model/prefs/shortcutmanager.cpp b/apps/opencs/model/prefs/shortcutmanager.cpp
index a6f1da4f85..3089281c91 100644
--- a/apps/opencs/model/prefs/shortcutmanager.cpp
+++ b/apps/opencs/model/prefs/shortcutmanager.cpp
@@ -91,7 +91,7 @@ namespace CSMPrefs
             return false;
     }
 
-    void ShortcutManager::setModifier(const std::string& name, int modifier)
+    void ShortcutManager::setModifier(std::string_view name, int modifier)
     {
         // Add to map/modify
         ModifierMap::iterator item = mModifiers.find(name);
diff --git a/apps/opencs/model/prefs/shortcutmanager.hpp b/apps/opencs/model/prefs/shortcutmanager.hpp
index fc8db3f2b0..87d2f2256c 100644
--- a/apps/opencs/model/prefs/shortcutmanager.hpp
+++ b/apps/opencs/model/prefs/shortcutmanager.hpp
@@ -32,7 +32,7 @@ namespace CSMPrefs
         void setSequence(const std::string& name, const QKeySequence& sequence);
 
         bool getModifier(const std::string& name, int& modifier) const;
-        void setModifier(const std::string& name, int modifier);
+        void setModifier(std::string_view name, int modifier);
 
         std::string convertToString(const QKeySequence& sequence) const;
         std::string convertToString(int modifier) const;
@@ -49,9 +49,9 @@ namespace CSMPrefs
 
     private:
         // Need a multimap in case multiple shortcuts share the same name
-        typedef std::multimap<std::string, Shortcut*> ShortcutMap;
+        typedef std::multimap<std::string, Shortcut*, std::less<>> ShortcutMap;
         typedef std::map<std::string, QKeySequence> SequenceMap;
-        typedef std::map<std::string, int> ModifierMap;
+        typedef std::map<std::string, int, std::less<>> ModifierMap;
         typedef std::map<int, std::string> NameMap;
         typedef std::map<std::string, int> KeyMap;
 
diff --git a/apps/opencs/model/prefs/state.cpp b/apps/opencs/model/prefs/state.cpp
index 364f7b3320..2d511c3b50 100644
--- a/apps/opencs/model/prefs/state.cpp
+++ b/apps/opencs/model/prefs/state.cpp
@@ -396,7 +396,7 @@ void CSMPrefs::State::declare()
         "scene-select-secondary", "Secondary Select", QKeySequence(Qt::ControlModifier | (int)Qt::MiddleButton));
     declareShortcut(
         "scene-select-tertiary", "Tertiary Select", QKeySequence(Qt::ShiftModifier | (int)Qt::MiddleButton));
-    declareModifier("scene-speed-modifier", "Speed Modifier", Qt::Key_Shift);
+    declareModifier(mValues->mKeyBindings.mSceneSpeedModifier, "Speed Modifier");
     declareShortcut("scene-delete", "Delete Instance", QKeySequence(Qt::Key_Delete));
     declareShortcut("scene-instance-drop-terrain", "Drop to terrain level", QKeySequence(Qt::Key_G));
     declareShortcut("scene-instance-drop-collision", "Drop to collision", QKeySequence(Qt::Key_H));
@@ -553,7 +553,8 @@ CSMPrefs::StringSetting& CSMPrefs::State::declareString(
     return *setting;
 }
 
-CSMPrefs::ModifierSetting& CSMPrefs::State::declareModifier(const std::string& key, const QString& label, int default_)
+CSMPrefs::ModifierSetting& CSMPrefs::State::declareModifier(
+    Settings::SettingValue<std::string>& value, const QString& label)
 {
     if (mCurrentCategory == mCategories.end())
         throw std::logic_error("no category for setting");
@@ -561,11 +562,11 @@ CSMPrefs::ModifierSetting& CSMPrefs::State::declareModifier(const std::string& k
     // Setup with actual data
     int modifier;
 
-    getShortcutManager().convertFromString(mIndex->get<std::string>(mCurrentCategory->second.getKey(), key), modifier);
-    getShortcutManager().setModifier(key, modifier);
+    getShortcutManager().convertFromString(value.get(), modifier);
+    getShortcutManager().setModifier(value.mName, modifier);
 
     CSMPrefs::ModifierSetting* setting
-        = new CSMPrefs::ModifierSetting(&mCurrentCategory->second, &mMutex, key, label, *mIndex);
+        = new CSMPrefs::ModifierSetting(&mCurrentCategory->second, &mMutex, value.mName, label, *mIndex);
     mCurrentCategory->second.addSetting(setting);
 
     return *setting;
diff --git a/apps/opencs/model/prefs/state.hpp b/apps/opencs/model/prefs/state.hpp
index 018a81a8d9..5f82389c82 100644
--- a/apps/opencs/model/prefs/state.hpp
+++ b/apps/opencs/model/prefs/state.hpp
@@ -76,7 +76,7 @@ namespace CSMPrefs
 
         StringSetting& declareString(const std::string& key, const QString& label, const std::string& default_);
 
-        ModifierSetting& declareModifier(const std::string& key, const QString& label, int modifier_);
+        ModifierSetting& declareModifier(Settings::SettingValue<std::string>& value, const QString& label);
 
         void declareSubcategory(const QString& label);