diff --git a/apps/openmw/mwbase/windowmanager.hpp b/apps/openmw/mwbase/windowmanager.hpp
index 4f7435fad..81d7cb9fe 100644
--- a/apps/openmw/mwbase/windowmanager.hpp
+++ b/apps/openmw/mwbase/windowmanager.hpp
@@ -198,7 +198,7 @@ namespace MWBase
             virtual void removeDialog(OEngine::GUI::Layout* dialog) = 0;
             ///< Hides dialog and schedules dialog to be deleted.
 
-            virtual void messageBox (const std::string& message, const std::vector<std::string>& buttons) = 0;
+            virtual void messageBox (const std::string& message, const std::vector<std::string>& buttons = std::vector<std::string>()) = 0;
             virtual void enterPressed () = 0;
             virtual int readPressedButton() = 0;
             ///< returns the index of the pressed button or -1 if no button was pressed (->MessageBoxmanager->InteractiveMessageBox)
diff --git a/apps/openmw/mwgui/windowmanagerimp.hpp b/apps/openmw/mwgui/windowmanagerimp.hpp
index fff627366..f57421137 100644
--- a/apps/openmw/mwgui/windowmanagerimp.hpp
+++ b/apps/openmw/mwgui/windowmanagerimp.hpp
@@ -188,7 +188,7 @@ namespace MWGui
 
     virtual void removeDialog(OEngine::GUI::Layout* dialog); ///< Hides dialog and schedules dialog to be deleted.
 
-    virtual void messageBox (const std::string& message, const std::vector<std::string>& buttons);
+    virtual void messageBox (const std::string& message, const std::vector<std::string>& buttons = std::vector<std::string>());
     virtual void enterPressed ();
     virtual int readPressedButton (); ///< returns the index of the pressed button or -1 if no button was pressed (->MessageBoxmanager->InteractiveMessageBox)
 
diff --git a/apps/openmw/mwinput/inputmanagerimp.cpp b/apps/openmw/mwinput/inputmanagerimp.cpp
index 5a4c431f5..4a79f77b8 100644
--- a/apps/openmw/mwinput/inputmanagerimp.cpp
+++ b/apps/openmw/mwinput/inputmanagerimp.cpp
@@ -21,6 +21,7 @@
 #include "../engine.hpp"
 
 #include "../mwworld/player.hpp"
+#include "../mwworld/class.hpp"
 #include "../mwbase/world.hpp"
 #include "../mwbase/windowmanager.hpp"
 #include "../mwbase/soundmanager.hpp"
@@ -51,6 +52,7 @@ namespace MWInput
         , mUIYMultiplier (Settings::Manager::getFloat("ui y multiplier", "Input"))
         , mPreviewPOVDelay(0.f)
         , mTimeIdle(0.f)
+        , mOverencumberedMessageDelay(0.f)
     {
         Ogre::RenderWindow* window = ogre.getWindow ();
         size_t windowHnd;
@@ -268,13 +270,16 @@ namespace MWInput
         // be done in the physics system.
         if (mControlSwitch["playercontrols"])
         {
+            bool triedToMove = false;
             if (actionIsActive(A_MoveLeft))
             {
+                triedToMove = true;
                 mPlayer.setAutoMove (false);
                 mPlayer.setLeftRight (-1);
             }
             else if (actionIsActive(A_MoveRight))
             {
+                triedToMove = true;
                 mPlayer.setAutoMove (false);
                 mPlayer.setLeftRight (1);
             }
@@ -283,11 +288,13 @@ namespace MWInput
 
             if (actionIsActive(A_MoveForward))
             {
+                triedToMove = true;
                 mPlayer.setAutoMove (false);
                 mPlayer.setForwardBackward (1);
             }
             else if (actionIsActive(A_MoveBackward))
             {
+                triedToMove = true;
                 mPlayer.setAutoMove (false);
                 mPlayer.setForwardBackward (-1);
             }
@@ -295,7 +302,10 @@ namespace MWInput
                 mPlayer.setForwardBackward (0);
 
             if (actionIsActive(A_Jump) && mControlSwitch["playerjumping"])
+            {
                 mPlayer.setUpDown (1);
+                triedToMove = true;
+            }
             else if (actionIsActive(A_Crouch))
                 mPlayer.setUpDown (-1);
             else
@@ -306,6 +316,21 @@ namespace MWInput
             else
                 mPlayer.setRunState(false);
 
+            // if player tried to start moving, but can't (due to being overencumbered), display a notification.
+            if (triedToMove)
+            {
+                MWWorld::Ptr player = MWBase::Environment::get().getWorld ()->getPlayer ().getPlayer ();
+                mOverencumberedMessageDelay -= dt;
+                if (MWWorld::Class::get(player).getEncumbrance(player) >= MWWorld::Class::get(player).getCapacity(player))
+                {
+                    if (mOverencumberedMessageDelay <= 0)
+                    {
+                        MWBase::Environment::get().getWindowManager ()->messageBox("#{sNotifyMessage59}");
+                        mOverencumberedMessageDelay = 1.0;
+                    }
+                }
+            }
+
             if (mControlSwitch["playerviewswitch"]) {
 
                 // work around preview mode toggle when pressing Alt+Tab
diff --git a/apps/openmw/mwinput/inputmanagerimp.hpp b/apps/openmw/mwinput/inputmanagerimp.hpp
index 3af39911c..383fe3035 100644
--- a/apps/openmw/mwinput/inputmanagerimp.hpp
+++ b/apps/openmw/mwinput/inputmanagerimp.hpp
@@ -145,6 +145,8 @@ namespace MWInput
         bool mMouseLookEnabled;
         bool mGuiCursorEnabled;
 
+        float mOverencumberedMessageDelay;
+
         float mMouseX;
         float mMouseY;
         int mMouseWheel;
diff --git a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
index a02b64e9d..c9e4c77ea 100644
--- a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
+++ b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
@@ -491,8 +491,10 @@ namespace MWMechanics
         if(buying) x = buyTerm;
         else x = std::min(buyTerm, sellTerm);
         int offerPrice;
-        if (x < 1) offerPrice = int(x * basePrice);
-        if (x >= 1) offerPrice = basePrice + int((x - 1) * basePrice);
+        if (x < 1)
+            offerPrice = int(x * basePrice);
+        else
+            offerPrice = basePrice + int((x - 1) * basePrice);
         offerPrice = std::max(1, offerPrice);
         return offerPrice;
     }
@@ -555,7 +557,8 @@ namespace MWMechanics
         float fPerDieRollMult = gmst.find("fPerDieRollMult")->getFloat();
         float fPerTempMult = gmst.find("fPerTempMult")->getFloat();
 
-        float x,y;
+        float x = 0;
+        float y = 0;
 
         float roll = static_cast<float> (std::rand()) / RAND_MAX * 100;