diff --git a/premake5.lua b/premake5.lua
index 50053f7a..b0d3a648 100644
--- a/premake5.lua
+++ b/premake5.lua
@@ -3,11 +3,11 @@ project "GLFW"
     language "C"
     staticruntime "on"
     
-	targetdir ("bin/" .. outputdir .. "/%{prj.name}")
+    targetdir ("bin/" .. outputdir .. "/%{prj.name}")
     objdir ("bin-int/" .. outputdir .. "/%{prj.name}")
  
-	files
-	{
+    files
+    {
         "include/GLFW/glfw3.h",
         "include/GLFW/glfw3native.h",
         "src/glfw_config.h",       --？？should it to be delete?
@@ -31,7 +31,7 @@ project "GLFW"
         "src/null_joystick.c",      --
     }
  
-	filter "system:windows"
+    filter "system:windows"
         systemversion "latest"
  
         files
@@ -50,16 +50,16 @@ project "GLFW"
             "src/osmesa_context.c"
         }
  
-		defines 
-		{ 
+        defines 
+        { 
             "_GLFW_WIN32",
             "_CRT_SECURE_NO_WARNINGS"
-		}
+        }
     
     filter "configurations:Debug"
         runtime "Debug"
         symbols "on"
 
-	filter "configurations:Release"
-		runtime "Release"
-		optimize "on"
\ No newline at end of file
+    filter "configurations:Release"
+        runtime "Release"
+        optimize "on"
\ No newline at end of file