diff --git a/apps/essimporter/importinventory.cpp b/apps/essimporter/importinventory.cpp
index 743f2c1cf7..9d71c04f2a 100644
--- a/apps/essimporter/importinventory.cpp
+++ b/apps/essimporter/importinventory.cpp
@@ -19,6 +19,7 @@ namespace ESSImport
             item.mCount = contItem.mCount;
             item.mRelativeEquipmentSlot = -1;
             item.mLockLevel = 0;
+            item.mChargeIntRemainder = 0;
 
             unsigned int itemCount = std::abs(item.mCount);
             bool separateStacks = false;
diff --git a/apps/opencs/model/world/tablemimedata.cpp b/apps/opencs/model/world/tablemimedata.cpp
index 1814e551c1..a966a53eee 100644
--- a/apps/opencs/model/world/tablemimedata.cpp
+++ b/apps/opencs/model/world/tablemimedata.cpp
@@ -13,6 +13,7 @@
 
 CSMWorld::TableMimeData::TableMimeData(UniversalId id, const CSMDoc::Document& document)
     : mDocument(document)
+    , mTableOfDragStart(nullptr)
 {
     mUniversalId.push_back(id);
     mObjectsFormats << QString::fromUtf8(("tabledata/" + id.getTypeName()).c_str());
@@ -21,6 +22,7 @@ CSMWorld::TableMimeData::TableMimeData(UniversalId id, const CSMDoc::Document& d
 CSMWorld::TableMimeData::TableMimeData(const std::vector<CSMWorld::UniversalId>& id, const CSMDoc::Document& document)
     : mUniversalId(id)
     , mDocument(document)
+    , mTableOfDragStart(nullptr)
 {
     for (std::vector<UniversalId>::iterator it(mUniversalId.begin()); it != mUniversalId.end(); ++it)
     {
diff --git a/apps/openmw/mwdialogue/filter.cpp b/apps/openmw/mwdialogue/filter.cpp
index e05f1b37c2..5daf6df9cd 100644
--- a/apps/openmw/mwdialogue/filter.cpp
+++ b/apps/openmw/mwdialogue/filter.cpp
@@ -155,7 +155,7 @@ bool MWDialogue::Filter::testActor(const ESM::DialInfo& info) const
     if (!isCreature)
     {
         MWWorld::LiveCellRef<ESM::NPC>* npc = mActor.get<ESM::NPC>();
-        if (info.mData.mGender == (npc->mBase->mFlags & npc->mBase->Female ? 0 : 1))
+        if (info.mData.mGender == (npc->mBase->mFlags & ESM::NPC::Female) ? 0 : 1)
             return false;
     }
 
diff --git a/apps/openmw/mwgui/bookpage.cpp b/apps/openmw/mwgui/bookpage.cpp
index 63b6573985..0c1e1cfb98 100644
--- a/apps/openmw/mwgui/bookpage.cpp
+++ b/apps/openmw/mwgui/bookpage.cpp
@@ -960,7 +960,7 @@ namespace MWGui
 
                 ActiveTextFormats::iterator i = mActiveTextFormats.find(Font);
 
-                if (mNode)
+                if (mNode && i != mActiveTextFormats.end())
                     mNode->outOfDate(i->second->mRenderItem);
             }
         }
diff --git a/apps/openmw/mwgui/windowmanagerimp.cpp b/apps/openmw/mwgui/windowmanagerimp.cpp
index 1d5b292e6f..63a63d0883 100644
--- a/apps/openmw/mwgui/windowmanagerimp.cpp
+++ b/apps/openmw/mwgui/windowmanagerimp.cpp
@@ -931,7 +931,7 @@ namespace MWGui
             = MWBase::Environment::get().getLuaManager()->getActorControls(player);
         bool triedToMove = playerControls
             && (playerControls->mMovement != 0 || playerControls->mSideMovement != 0 || playerControls->mJump);
-        if (triedToMove && playerCls.getEncumbrance(player) > playerCls.getCapacity(player))
+        if (mMessageBoxManager && triedToMove && playerCls.getEncumbrance(player) > playerCls.getCapacity(player))
         {
             const auto& msgboxs = mMessageBoxManager->getActiveMessageBoxes();
             auto it
diff --git a/apps/openmw/mwlua/types/activator.cpp b/apps/openmw/mwlua/types/activator.cpp
index 77ffd384cb..9fec22b221 100644
--- a/apps/openmw/mwlua/types/activator.cpp
+++ b/apps/openmw/mwlua/types/activator.cpp
@@ -26,6 +26,7 @@ namespace
         activator.mModel = Misc::ResourceHelpers::meshPathForESM3(rec["model"].get<std::string_view>());
         std::string_view scriptId = rec["mwscript"].get<std::string_view>();
         activator.mScript = ESM::RefId::deserializeText(scriptId);
+        activator.mRecordFlags = 0;
         return activator;
     }
 }
diff --git a/apps/openmw/mwlua/types/armor.cpp b/apps/openmw/mwlua/types/armor.cpp
index 1006dcefcd..9f28f56e2f 100644
--- a/apps/openmw/mwlua/types/armor.cpp
+++ b/apps/openmw/mwlua/types/armor.cpp
@@ -40,6 +40,7 @@ namespace
         armor.mData.mHealth = rec["health"];
         armor.mData.mArmor = rec["baseArmor"];
         armor.mData.mEnchant = std::round(rec["enchantCapacity"].get<float>() * 10);
+        armor.mRecordFlags = 0;
 
         return armor;
     }
diff --git a/apps/openmw/mwlua/types/book.cpp b/apps/openmw/mwlua/types/book.cpp
index 4b40837604..9501691a72 100644
--- a/apps/openmw/mwlua/types/book.cpp
+++ b/apps/openmw/mwlua/types/book.cpp
@@ -40,6 +40,7 @@ namespace
         book.mData.mWeight = rec["weight"];
         book.mData.mValue = rec["value"];
         book.mData.mIsScroll = rec["isScroll"];
+        book.mRecordFlags = 0;
 
         ESM::RefId skill = ESM::RefId::deserializeText(rec["skill"].get<std::string_view>());
 
diff --git a/apps/openmw/mwlua/types/clothing.cpp b/apps/openmw/mwlua/types/clothing.cpp
index 029b084e95..9bdd579286 100644
--- a/apps/openmw/mwlua/types/clothing.cpp
+++ b/apps/openmw/mwlua/types/clothing.cpp
@@ -32,6 +32,7 @@ namespace
         clothing.mEnchant = ESM::RefId::deserializeText(enchantId);
         clothing.mData.mWeight = rec["weight"];
         clothing.mData.mValue = rec["value"];
+        clothing.mRecordFlags = 0;
         int clothingType = rec["type"].get<int>();
         if (clothingType >= 0 && clothingType <= ESM::Clothing::Amulet)
             clothing.mData.mType = clothingType;
diff --git a/apps/openmw/mwlua/types/ingredient.cpp b/apps/openmw/mwlua/types/ingredient.cpp
index cbf1b317f0..8ac3d79855 100644
--- a/apps/openmw/mwlua/types/ingredient.cpp
+++ b/apps/openmw/mwlua/types/ingredient.cpp
@@ -56,6 +56,7 @@ namespace MWLua
                 effect.mAttribute = rec.mData.mAttributes[i];
                 effect.mRange = ESM::RT_Self;
                 effect.mArea = 0;
+                effect.mDuration = 0;
                 res[i + 1] = effect;
             }
             return res;
diff --git a/apps/openmw/mwlua/types/misc.cpp b/apps/openmw/mwlua/types/misc.cpp
index 3a4fba9cec..889f6d6e19 100644
--- a/apps/openmw/mwlua/types/misc.cpp
+++ b/apps/openmw/mwlua/types/misc.cpp
@@ -31,6 +31,7 @@ namespace
         misc.mScript = ESM::RefId::deserializeText(scriptId);
         misc.mData.mWeight = rec["weight"];
         misc.mData.mValue = rec["value"];
+        misc.mRecordFlags = 0;
         return misc;
     }
 }
diff --git a/apps/openmw/mwlua/types/potion.cpp b/apps/openmw/mwlua/types/potion.cpp
index 87ef67bf64..46b298d959 100644
--- a/apps/openmw/mwlua/types/potion.cpp
+++ b/apps/openmw/mwlua/types/potion.cpp
@@ -30,6 +30,7 @@ namespace
         potion.mScript = ESM::RefId::deserializeText(scriptId);
         potion.mData.mWeight = rec["weight"];
         potion.mData.mValue = rec["value"];
+        potion.mRecordFlags = 0;
         sol::table effectsTable = rec["effects"];
         size_t numEffects = effectsTable.size();
         potion.mEffects.mList.resize(numEffects);
diff --git a/apps/openmw/mwlua/types/weapon.cpp b/apps/openmw/mwlua/types/weapon.cpp
index 1f06a4bd70..1cbe9b1d26 100644
--- a/apps/openmw/mwlua/types/weapon.cpp
+++ b/apps/openmw/mwlua/types/weapon.cpp
@@ -32,6 +32,7 @@ namespace
         std::string_view scriptId = rec["mwscript"].get<std::string_view>();
         weapon.mScript = ESM::RefId::deserializeText(scriptId);
         weapon.mData.mFlags = 0;
+        weapon.mRecordFlags = 0;
         if (rec["isMagical"])
             weapon.mData.mFlags |= ESM::Weapon::Magical;
         if (rec["isSilver"])
diff --git a/apps/openmw/mwmechanics/alchemy.cpp b/apps/openmw/mwmechanics/alchemy.cpp
index 3d5823ddf2..4c7dc14417 100644
--- a/apps/openmw/mwmechanics/alchemy.cpp
+++ b/apps/openmw/mwmechanics/alchemy.cpp
@@ -291,6 +291,7 @@ void MWMechanics::Alchemy::addPotion(const std::string& name)
 
     newRecord.mData.mValue = mValue;
     newRecord.mData.mAutoCalc = 0;
+    newRecord.mRecordFlags = 0;
 
     newRecord.mName = name;
 
diff --git a/apps/openmw/mwmechanics/enchanting.cpp b/apps/openmw/mwmechanics/enchanting.cpp
index f7393874fb..a852edde8c 100644
--- a/apps/openmw/mwmechanics/enchanting.cpp
+++ b/apps/openmw/mwmechanics/enchanting.cpp
@@ -69,6 +69,7 @@ namespace MWMechanics
         enchantment.mData.mFlags = 0;
         enchantment.mData.mType = mCastStyle;
         enchantment.mData.mCost = getBaseCastCost();
+        enchantment.mRecordFlags = 0;
 
         store.remove(mSoulGemPtr, 1);
 
diff --git a/components/esm/esmterrain.hpp b/components/esm/esmterrain.hpp
index b8303008c2..9ada20f467 100644
--- a/components/esm/esmterrain.hpp
+++ b/components/esm/esmterrain.hpp
@@ -29,7 +29,7 @@ namespace ESM
         float getMaxHeight() const { return mMaxHeight; }
         int getLandSize() const { return mLandSize; }
 
-        int mLoadFlags;
+        int mLoadFlags = 0;
 
     private:
         float mMinHeight = 0.f;
diff --git a/components/nif/node.cpp b/components/nif/node.cpp
index a811d3fab5..f61496c6f9 100644
--- a/components/nif/node.cpp
+++ b/components/nif/node.cpp
@@ -505,7 +505,7 @@ namespace Nif
         if (flags & BSVertexDesc::VertexAttribute::Eye_Data)
         {
             throw Nif::Exception("Unhandled Eye Data in BSTriShape: ", nif->getFile().getFilename());
-            nif->read(mEyeData);
+            // nif->read(mEyeData);
         }
     }