diff --git a/graphics/coordinates.cpp b/graphics/coordinates.cpp
index 4b5aea6a17..13981e60bb 100644
--- a/graphics/coordinates.cpp
+++ b/graphics/coordinates.cpp
@@ -12,7 +12,7 @@ namespace graphics
   {
     m(0, 0) = 2 / (r - l); m(0, 1) = 0;          m(0, 2) = 0;            m(0, 3) = -(r + l) / (r - l);
     m(1, 0) = 0;           m(1, 1) = 2 / (t - b);m(1, 2) = 0;            m(1, 3) = -(t + b) / (t - b);
-    m(2, 0) = 0;           m(2, 1) = 0;          m(2, 2) = 2 / (f - n);  m(2, 3) = - (f + n) / (f - n);
+    m(2, 0) = 0;           m(2, 1) = 0;          m(2, 2) = -2 / (f - n);  m(2, 3) = (f + n) / (f - n);
     m(3, 0) = 0;           m(3, 1) = 0;          m(3, 2) = 0;            m(3, 3) = 1;
   }
 }
diff --git a/graphics/geometry_batcher.hpp b/graphics/geometry_batcher.hpp
index 0234219e88..30e36343e9 100644
--- a/graphics/geometry_batcher.hpp
+++ b/graphics/geometry_batcher.hpp
@@ -85,7 +85,7 @@ namespace graphics
     void enableClipRect(bool flag);
     void setClipRect(m2::RectI const & rect);
 
-    void clear(Color const & c, bool clearRT = true, float depth = -1.0, bool clearDepth = true);
+    void clear(Color const & c, bool clearRT = true, float depth = 1.0, bool clearDepth = true);
     /// @}
 
     unsigned reservePipelines(vector<shared_ptr<ResourceCache> > const & caches,
diff --git a/graphics/opengl/geometry_renderer.cpp b/graphics/opengl/geometry_renderer.cpp
index 274d5a87d9..89d202670b 100644
--- a/graphics/opengl/geometry_renderer.cpp
+++ b/graphics/opengl/geometry_renderer.cpp
@@ -466,7 +466,7 @@ namespace graphics
       OGLCHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
 
       OGLCHECK(glEnable(GL_DEPTH_TEST));
-      OGLCHECK(glDepthFunc(GL_GEQUAL));
+      OGLCHECK(glDepthFunc(GL_LEQUAL));
 
       OGLCHECK(glEnable(GL_BLEND));
       OGLCHECK(glDepthMask(GL_TRUE));
@@ -536,7 +536,7 @@ namespace graphics
       OGLCHECK(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR));
 
       OGLCHECK(glEnable(GL_DEPTH_TEST));
-      OGLCHECK(glDepthFunc(GL_GEQUAL));
+      OGLCHECK(glDepthFunc(GL_LEQUAL));
 
       OGLCHECK(glEnable(GL_BLEND));
       OGLCHECK(glDepthMask(GL_TRUE));
diff --git a/graphics/opengl/renderer.hpp b/graphics/opengl/renderer.hpp
index e6963e03f0..8628b3113a 100644
--- a/graphics/opengl/renderer.hpp
+++ b/graphics/opengl/renderer.hpp
@@ -162,7 +162,7 @@ namespace graphics
       /// @warning this function respects the clipping rect set and enabled(!)
       ///          by the setClipRect/enableClipRect. Whether the clipping is
       ///          not enabled -  the entire currently bound render surface is used.
-      void clear(graphics::Color const & c, bool clearRT = true, float depth = -1.0, bool clearDepth = true);
+      void clear(graphics::Color const & c, bool clearRT = true, float depth = 1.0, bool clearDepth = true);
 
       void onSize(unsigned width, unsigned height);
 
diff --git a/map/drawer.hpp b/map/drawer.hpp
index f5f75b658e..30199cccac 100644
--- a/map/drawer.hpp
+++ b/map/drawer.hpp
@@ -110,7 +110,7 @@ public:
   void beginFrame();
   void endFrame();
 
-  void clear(graphics::Color const & c = graphics::Color(187, 187, 187, 255), bool clearRT = true, float depth = -1.0f, bool clearDepth = true);
+  void clear(graphics::Color const & c = graphics::Color(187, 187, 187, 255), bool clearRT = true, float depth = 1.0f, bool clearDepth = true);
 
   void onSize(int w, int h);