diff --git a/apps/niftest/niftest.cpp b/apps/niftest/niftest.cpp
index e3f2b89f8b..f848ae330e 100644
--- a/apps/niftest/niftest.cpp
+++ b/apps/niftest/niftest.cpp
@@ -102,6 +102,17 @@ bool parseOptions (int argc, char** argv, std::vector<std::string>& files)
         bpo::parsed_options valid_opts = bpo::command_line_parser(argc, argv).
             options(desc).positional(p).run();
         bpo::store(valid_opts, variables);
+        bpo::notify(variables);
+        if (variables.count ("help"))
+        {
+            std::cout << desc << std::endl;
+            return false;
+        }
+        if (variables.count("input-file"))
+        {
+            files = variables["input-file"].as< std::vector<std::string> >();
+            return true;
+        }
     }
     catch(std::exception &e)
     {
@@ -110,18 +121,6 @@ bool parseOptions (int argc, char** argv, std::vector<std::string>& files)
         return false;
     }
 
-    bpo::notify(variables);
-    if (variables.count ("help"))
-    {
-        std::cout << desc << std::endl;
-        return false;
-    }
-    if (variables.count("input-file"))
-    {
-        files = variables["input-file"].as< std::vector<std::string> >();
-        return true;
-    }
-
     std::cout << "No input files or directories specified!" << std::endl;
     std::cout << desc << std::endl;
     return false;
diff --git a/apps/openmw/engine.cpp b/apps/openmw/engine.cpp
index fb7be22b24..181ebd822f 100644
--- a/apps/openmw/engine.cpp
+++ b/apps/openmw/engine.cpp
@@ -226,6 +226,7 @@ OMW::Engine::Engine(Files::ConfigurationManager& configurationManager)
   , mActivationDistanceOverride(-1)
   , mGrab(true)
   , mExportFonts(false)
+  , mRandomSeed(0)
   , mScriptContext (0)
   , mFSStrict (false)
   , mScriptBlacklistUse (true)
diff --git a/apps/openmw/mwinput/inputmanagerimp.cpp b/apps/openmw/mwinput/inputmanagerimp.cpp
index 6f615564cc..b7014c99dd 100644
--- a/apps/openmw/mwinput/inputmanagerimp.cpp
+++ b/apps/openmw/mwinput/inputmanagerimp.cpp
@@ -196,8 +196,6 @@ namespace MWInput
 
     void InputManager::handleGuiArrowKey(int action)
     {
-        // Temporary shut-down of this function until deemed necessary.
-        return;
         if (SDL_IsTextInputActive())
             return;
 
@@ -402,7 +400,8 @@ namespace MWInput
             case A_MoveRight:
             case A_MoveForward:
             case A_MoveBackward:
-                handleGuiArrowKey(action);
+                // Temporary shut-down of this function until deemed necessary.
+                //handleGuiArrowKey(action);
                 break;
             case A_Journal:
                 toggleJournal ();
diff --git a/components/nifosg/controller.cpp b/components/nifosg/controller.cpp
index 934b3b914e..4029e9b158 100644
--- a/components/nifosg/controller.cpp
+++ b/components/nifosg/controller.cpp
@@ -311,10 +311,11 @@ void VisController::operator() (osg::Node* node, osg::NodeVisitor* nv)
 
 RollController::RollController(const Nif::NiFloatData *data)
     : mData(data->mKeyList, 1.f)
+    , mStartingTime(0)
 {
 }
 
-RollController::RollController()
+RollController::RollController() : mStartingTime(0)
 {
 }
 
diff --git a/components/sceneutil/mwshadowtechnique.cpp b/components/sceneutil/mwshadowtechnique.cpp
index b9d8e4bd33..92bf44ec15 100644
--- a/components/sceneutil/mwshadowtechnique.cpp
+++ b/components/sceneutil/mwshadowtechnique.cpp
@@ -777,6 +777,7 @@ MWShadowTechnique::MWShadowTechnique(const MWShadowTechnique& vdsm, const osg::C
     ShadowTechnique(vdsm,copyop)
 {
     _shadowRecievingPlaceholderStateSet = new osg::StateSet;
+    _enableShadows = vdsm._enableShadows;
 }
 
 MWShadowTechnique::~MWShadowTechnique()
@@ -2011,18 +2012,20 @@ struct ConvexHull
             Vertices unwantedEdgeEnds = findInternalEdges(vertex, connectedVertices);
             for (auto edgeEnd : unwantedEdgeEnds)
             {
-                for (auto itr = _edges.begin(); itr != _edges.end(); ++itr)
+                for (auto itr = _edges.begin(); itr != _edges.end();)
                 {
                     if (*itr == Edge(vertex, edgeEnd))
                     {
-                        _edges.erase(itr);
+                        itr = _edges.erase(itr);
                         break;
                     }
                     else if (*itr == Edge(edgeEnd, vertex))
                     {
-                        _edges.erase(itr);
+                        itr = _edges.erase(itr);
                         break;
                     }
+                    else
+                        ++itr;
                 }
             }
         }