diff --git a/modules/client/client.lua b/modules/client/client.lua
index 8bd0f4ee..acf2800d 100644
--- a/modules/client/client.lua
+++ b/modules/client/client.lua
@@ -41,9 +41,9 @@ function Client.init()
         g_window.show()
 
         -- play startup music
-        g_sounds.playMusic("startup.ogg", 3)
-        connect(g_game, { onGameStart = function() g_sounds.stopMusic(3) end })
-        connect(g_game, { onGameEnd= function() g_sounds.playMusic("startup.ogg", 3) end })
+        --g_sounds.playMusic("startup.ogg", 3)
+        --connect(g_game, { onGameStart = function() g_sounds.stopMusic(3) end })
+        --connect(g_game, { onGameEnd= function() g_sounds.playMusic("startup.ogg", 3) end })
     end, 0)
   end, 0)
 end
diff --git a/modules/core_lib/const.lua b/modules/core_lib/const.lua
index f23cd349..3d4d722c 100644
--- a/modules/core_lib/const.lua
+++ b/modules/core_lib/const.lua
@@ -12,7 +12,10 @@ LogWarning = 2
 LogError = 3
 LogFatal = 4
 
+MouseFocusReason = 0
+KeyboardFocusReason = 1
 ActiveFocusReason = 2
+OtherFocusReason = 3
 
 KeyboardNoModifier = 0
 KeyboardCtrlModifier = 1
diff --git a/src/framework/graphics/particleemitter.cpp b/src/framework/graphics/particleemitter.cpp
index 5ea25d61..8b33e37f 100644
--- a/src/framework/graphics/particleemitter.cpp
+++ b/src/framework/graphics/particleemitter.cpp
@@ -172,7 +172,7 @@ bool ParticleEmitter::load(const OTMLNodePtr& node)
         m_pColorsStops.push_back(0);
 
     if(m_pColors.size() != m_pColorsStops.size()) {
-        g_logger.error(stdext::format("particle colors must be equal to colorstops-1"));
+        g_logger.error("particle colors must be equal to colorstops-1");
         return false;
     }