diff --git a/apps/opencs/model/world/refidadapterimp.cpp b/apps/opencs/model/world/refidadapterimp.cpp
index d9a691abd..47caa8d71 100644
--- a/apps/opencs/model/world/refidadapterimp.cpp
+++ b/apps/opencs/model/world/refidadapterimp.cpp
@@ -223,7 +223,14 @@ void CSMWorld::ContainerRefIdAdapter::setData (const RefIdColumn *column, RefIdD
 }
 
 CSMWorld::CreatureColumns::CreatureColumns (const ActorColumns& actorColumns)
-: ActorColumns (actorColumns)
+: ActorColumns (actorColumns),
+  mType(NULL),
+  mSoul(NULL),
+  mScale(NULL),
+  mOriginal(NULL),
+  mCombat(NULL),
+  mMagic(NULL),
+  mStealth(NULL)
 {}
 
 CSMWorld::CreatureRefIdAdapter::CreatureRefIdAdapter (const CreatureColumns& columns)
@@ -431,7 +438,14 @@ void CSMWorld::MiscRefIdAdapter::setData (const RefIdColumn *column, RefIdData&
         InventoryRefIdAdapter<ESM::Miscellaneous>::setData (column, data, index, value);
 }
 
-CSMWorld::NpcColumns::NpcColumns (const ActorColumns& actorColumns) : ActorColumns (actorColumns) {}
+CSMWorld::NpcColumns::NpcColumns (const ActorColumns& actorColumns)
+: ActorColumns (actorColumns),
+  mRace(NULL),
+  mClass(NULL),
+  mFaction(NULL),
+  mHair(NULL),
+  mHead(NULL)
+{}
 
 CSMWorld::NpcRefIdAdapter::NpcRefIdAdapter (const NpcColumns& columns)
 : ActorRefIdAdapter<ESM::NPC> (UniversalId::Type_Npc, columns), mColumns (columns)
@@ -587,4 +601,4 @@ void CSMWorld::WeaponRefIdAdapter::setData (const RefIdColumn *column, RefIdData
         else
             EnchantableRefIdAdapter<ESM::Weapon>::setData (column, data, index, value);
     }
-}
\ No newline at end of file
+}
diff --git a/apps/opencs/model/world/universalid.cpp b/apps/opencs/model/world/universalid.cpp
index 190ea87d8..d19959d44 100644
--- a/apps/opencs/model/world/universalid.cpp
+++ b/apps/opencs/model/world/universalid.cpp
@@ -131,6 +131,7 @@ namespace
 }
 
 CSMWorld::UniversalId::UniversalId (const std::string& universalId)
+: mIndex(0)
 {
     std::string::size_type index = universalId.find (':');
 
diff --git a/apps/opencs/view/doc/loader.cpp b/apps/opencs/view/doc/loader.cpp
index f2b897a3e..046eb5229 100644
--- a/apps/opencs/view/doc/loader.cpp
+++ b/apps/opencs/view/doc/loader.cpp
@@ -18,7 +18,7 @@ void CSVDoc::LoadingDocument::closeEvent (QCloseEvent *event)
 }
 
 CSVDoc::LoadingDocument::LoadingDocument (CSMDoc::Document *document)
-: mDocument (document), mAborted (false), mMessages (0)
+: mDocument (document), mAborted (false), mMessages (0), mTotalRecords (0)
 {
     setWindowTitle (("Opening " + document->getSavePath().filename().string()).c_str());
 
diff --git a/apps/openmw/mwrender/sky.cpp b/apps/openmw/mwrender/sky.cpp
index 131e12a5c..385e7d8c5 100644
--- a/apps/openmw/mwrender/sky.cpp
+++ b/apps/openmw/mwrender/sky.cpp
@@ -74,6 +74,7 @@ BillboardObject::BillboardObject( const String& textureName,
                     const Vector3& position,
                     SceneNode* rootNode,
                     const std::string& material)
+: mVisibility(1.0f)
 {
     SceneManager* sceneMgr = rootNode->getCreator();
 
diff --git a/components/esm/loadcell.hpp b/components/esm/loadcell.hpp
index a24b106d4..e1a6eee1a 100644
--- a/components/esm/loadcell.hpp
+++ b/components/esm/loadcell.hpp
@@ -78,7 +78,13 @@ struct Cell
     float mFogDensity;
   };
 
-  Cell() : mWater(0) {}
+  Cell() : mWater(0),
+           mName(""),
+           mRegion(""),
+           mWaterInt(false),
+           mMapColor(0),
+           mRefNumCounter(0)
+  {}
 
   // Interior cells are indexed by this (it's the 'id'), for exterior
   // cells it is optional.
diff --git a/components/esm/loadpgrd.cpp b/components/esm/loadpgrd.cpp
index 7fdc9a43c..61f56b511 100644
--- a/components/esm/loadpgrd.cpp
+++ b/components/esm/loadpgrd.cpp
@@ -8,18 +8,28 @@ namespace ESM
 {
     unsigned int Pathgrid::sRecordId = REC_PGRD;
 
-    Pathgrid::Point& Pathgrid::Point::operator=(const float rhs[3]) {
+    Pathgrid::Point& Pathgrid::Point::operator=(const float rhs[3])
+    {
         mX = rhs[0];
         mY = rhs[1];
         mZ = rhs[2];
+        mAutogenerated = 0;
+        mConnectionNum = 0;
+        mUnknown = 0;
         return *this;
     }
-    Pathgrid::Point::Point(const float rhs[3]) {
+    Pathgrid::Point::Point(const float rhs[3])
+    : mAutogenerated(0),
+      mConnectionNum(0),
+      mUnknown(0)
+    {
         mX = rhs[0];
         mY = rhs[1];
         mZ = rhs[2];
     }
-    Pathgrid::Point::Point():mX(0),mY(0),mZ(0) {
+    Pathgrid::Point::Point():mX(0),mY(0),mZ(0),mAutogenerated(0),
+                             mConnectionNum(0),mUnknown(0)
+    {
     }
 
 void Pathgrid::load(ESMReader &esm)
diff --git a/libs/openengine/gui/manager.cpp b/libs/openengine/gui/manager.cpp
index 30a5b938c..512c7f069 100644
--- a/libs/openengine/gui/manager.cpp
+++ b/libs/openengine/gui/manager.cpp
@@ -103,6 +103,9 @@ public:
         mVertexProgramOneTexture(NULL),
         mFragmentProgramOneTexture(NULL)
     {
+        mTextureAddressMode.u = Ogre::TextureUnitState::TAM_CLAMP;
+        mTextureAddressMode.v = Ogre::TextureUnitState::TAM_CLAMP;
+        mTextureAddressMode.w = Ogre::TextureUnitState::TAM_CLAMP;
     }
 
     void initialise(Ogre::RenderWindow* _window, Ogre::SceneManager* _scene)