diff --git a/apps/openmw/mwgui/itemview.hpp b/apps/openmw/mwgui/itemview.hpp
index 6243618abc..1e2ab8817f 100644
--- a/apps/openmw/mwgui/itemview.hpp
+++ b/apps/openmw/mwgui/itemview.hpp
@@ -54,7 +54,7 @@ namespace MWGui
         MyGUI::ScrollView* mScrollView;
 
         int mItemCount = 0;
-        int mRows;
+        int mRows = 1;
         int mControllerFocus = 0;
         bool mControllerActiveWindow;
         void updateControllerFocus(int prevFocus, int newFocus);
diff --git a/apps/openmw/mwgui/journalwindow.hpp b/apps/openmw/mwgui/journalwindow.hpp
index 6122bf70c7..472065d565 100644
--- a/apps/openmw/mwgui/journalwindow.hpp
+++ b/apps/openmw/mwgui/journalwindow.hpp
@@ -25,16 +25,15 @@ namespace MWGui
             std::shared_ptr<JournalViewModel> model, bool questList, ToUTF8::FromType encoding);
 
         /// destroy this instance of the JournalWindow implementation
-        virtual ~JournalWindow() {}
+        virtual ~JournalWindow() = default;
 
         /// show/hide the journal window
         void setVisible(bool newValue) override = 0;
 
         std::string_view getWindowIdForLua() const override { return "Journal"; }
 
-        size_t mIndexRowCount;
-
         std::vector<MyGUI::Button*> mButtons;
+        size_t mIndexRowCount = 1;
         size_t mSelectedQuest = 0;
         size_t mSelectedIndex = 0;
         void moveSelectedIndex(int offset);
diff --git a/apps/openmw/mwgui/windowmanagerimp.hpp b/apps/openmw/mwgui/windowmanagerimp.hpp
index 81294d3cd4..991e3c1c00 100644
--- a/apps/openmw/mwgui/windowmanagerimp.hpp
+++ b/apps/openmw/mwgui/windowmanagerimp.hpp
@@ -511,7 +511,7 @@ namespace MWGui
         std::vector<GuiMode> mGuiModes;
         // The active window for controller mode for each GUI mode.
         std::map<GuiMode, int> mActiveControllerWindows;
-        bool mControllerTooltip;
+        bool mControllerTooltip = false;
 
         void reapplyActiveControllerWindow();