diff --git a/Demos3/AllBullet2Demos/premake4.lua b/Demos3/AllBullet2Demos/premake4.lua
index ff371d317..23c40e6a8 100644
--- a/Demos3/AllBullet2Demos/premake4.lua
+++ b/Demos3/AllBullet2Demos/premake4.lua
@@ -26,6 +26,8 @@
 		"../bullet2/FeatherstoneMultiBodyDemo/BulletMultiBodyDemos.h",
 		"../bullet2/BasicDemo/BasicDemo.cpp",
 		"../bullet2/BasicDemo/BasicDemo.h",
+		"../bullet2/RagdollDemo/RagdollDemo.cpp",
+		"../bullet2/RagdollDemo/RagdollDemo.h",
 		"../../src/Bullet3Common/**.cpp",
  		"../../src/Bullet3Common/**.h",
 		"../../btgui/Timing/b3Clock.cpp",
@@ -34,6 +36,7 @@
 		"../GpuDemos/gwenUserInterface.h"
 		}
 
+if os.is("Linux") then links{"X11"} end
 if os.is("MacOSX") then
                         links{"Cocoa.framework"}
 end
diff --git a/Demos3/SimpleOpenGL3/premake4.lua b/Demos3/SimpleOpenGL3/premake4.lua
index bb5b27f56..679ca3a10 100644
--- a/Demos3/SimpleOpenGL3/premake4.lua
+++ b/Demos3/SimpleOpenGL3/premake4.lua
@@ -26,6 +26,7 @@
 		"../../btgui/Timing/b3Clock.h"
 
 		}
+if os.is("Linux") then links {"X11"} end
 
 if os.is("MacOSX") then
                         links{"Cocoa.framework"}
diff --git a/demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.cpp b/Demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.cpp
similarity index 100%
rename from demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.cpp
rename to Demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.cpp
diff --git a/demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.h b/Demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.h
similarity index 100%
rename from demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.h
rename to Demos3/bullet2/BasicDemo/Bullet2RigidBodyDemo.h