diff --git a/sources/enduro2d/core/render_impl/render.hpp b/sources/enduro2d/core/render_impl/render.hpp
index 61d8ef1a..75b59e53 100644
--- a/sources/enduro2d/core/render_impl/render.hpp
+++ b/sources/enduro2d/core/render_impl/render.hpp
@@ -18,7 +18,7 @@
 #  if defined(E2D_PLATFORM) && E2D_PLATFORM == E2D_PLATFORM_IOS
 #    define E2D_RENDER_MODE E2D_RENDER_MODE_NONE
 #  elif defined(E2D_PLATFORM) && E2D_PLATFORM == E2D_PLATFORM_LINUX
-#    define E2D_RENDER_MODE E2D_RENDER_MODE_NONE
+#    define E2D_RENDER_MODE E2D_RENDER_MODE_OPENGL
 #  elif defined(E2D_PLATFORM) && E2D_PLATFORM == E2D_PLATFORM_MACOSX
 #    define E2D_RENDER_MODE E2D_RENDER_MODE_OPENGL
 #  elif defined(E2D_PLATFORM) && E2D_PLATFORM == E2D_PLATFORM_WINDOWS
diff --git a/sources/enduro2d/core/render_impl/render_opengl_base.hpp b/sources/enduro2d/core/render_impl/render_opengl_base.hpp
index 40629383..b363ae8e 100644
--- a/sources/enduro2d/core/render_impl/render_opengl_base.hpp
+++ b/sources/enduro2d/core/render_impl/render_opengl_base.hpp
@@ -14,14 +14,6 @@
 #define GLEW_STATIC
 #include <3rdparty/glew/glew.h>
 
-#if defined(E2D_PLATFORM)
-#  if E2D_PLATFORM == E2D_PLATFORM_MACOSX
-#    include <OpenGL/gl.h>
-#  elif E2D_PLATFORM == E2D_PLATFORM_WINDOWS
-#    include <gl/GL.h>
-#  endif
-#endif
-
 #if defined(E2D_BUILD_MODE) && E2D_BUILD_MODE == E2D_BUILD_MODE_DEBUG
 #   define GL_FLUSH_ERRORS(dbg)\
         for ( GLenum err = glGetError(); err != GL_NO_ERROR; err = glGetError() ) {\
diff --git a/sources/enduro2d/core/window_impl/window_glfw.cpp b/sources/enduro2d/core/window_impl/window_glfw.cpp
index 16490cee..bf876325 100644
--- a/sources/enduro2d/core/window_impl/window_glfw.cpp
+++ b/sources/enduro2d/core/window_impl/window_glfw.cpp
@@ -317,10 +317,17 @@ namespace e2d
             if ( !video_mode ) {
                 return {nullptr, glfwDestroyWindow};
             }
+            glfwWindowHint(GLFW_RED_BITS, 8);
+            glfwWindowHint(GLFW_GREEN_BITS, 8);
+            glfwWindowHint(GLFW_BLUE_BITS, 8);
+            glfwWindowHint(GLFW_ALPHA_BITS, 0);
+            glfwWindowHint(GLFW_DEPTH_BITS, 24);
+            glfwWindowHint(GLFW_STENCIL_BITS, 8);
             glfwWindowHint(GLFW_RESIZABLE, GLFW_FALSE);
             glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 2);
             glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
             glfwWindowHint(GLFW_SCALE_TO_MONITOR, GLFW_FALSE);
+            glfwWindowHint(GLFW_TRANSPARENT_FRAMEBUFFER, GLFW_FALSE);
             glfwWindowHint(GLFW_COCOA_RETINA_FRAMEBUFFER, GLFW_FALSE);
         #if defined(E2D_BUILD_MODE) && E2D_BUILD_MODE == E2D_BUILD_MODE_DEBUG
             glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);