diff --git a/Demos3/AllBullet2Demos/premake4.lua b/Demos3/AllBullet2Demos/premake4.lua
index 93a648b63..91ad53dd4 100644
--- a/Demos3/AllBullet2Demos/premake4.lua
+++ b/Demos3/AllBullet2Demos/premake4.lua
@@ -29,6 +29,27 @@
 		"../../Demos/CcdPhysicsDemo/CcdPhysicsSetup.h",
 		"../../Demos/ConstraintDemo/ConstraintPhysicsSetup.cpp",
   		"../../Demos/ConstraintDemo/ConstraintPhysicsSetup.h",
+		"../ImportURDFDemo/ImportURDFSetup.cpp",
+		"../../btgui/urdf/urdfdom/urdf_parser/src/pose.cpp",
+		"../../btgui/urdf/urdfdom/urdf_parser/src/model.cpp",
+                "../../btgui/urdf/urdfdom/urdf_parser/src/link.cpp",
+                "../../btgui/urdf/urdfdom/urdf_parser/src/joint.cpp",
+                "../../btgui/urdf/urdfdom/urdf_parser/include/urdf_parser/urdf_parser.h",
+                "../../btgui/urdf/urdfdom_headers/urdf_exception/include/urdf_exception/exception.h",
+                "../../btgui/urdf/urdfdom_headers/urdf_model/include/urdf_model/pose.h",
+                "../../btgui/urdf/urdfdom_headers/urdf_model/include/urdf_model/model.h",
+                "../../btgui/urdf/urdfdom_headers/urdf_model/include/urdf_model/link.h",
+                "../../btgui/urdf/urdfdom_headers/urdf_model/include/urdf_model/joint.h",
+                "../../btgui/tinyxml/tinystr.cpp",
+                "../../btgui/tinyxml/tinyxml.cpp",
+                "../../btgui/tinyxml/tinyxmlerror.cpp",
+                "../../btgui/tinyxml/tinyxmlparser.cpp",
+                "../../btgui/urdf/boost_replacement/lexical_cast.h",
+                "../../btgui/urdf/boost_replacement/shared_ptr.h",
+                "../../btgui/urdf/boost_replacement/printf_console.cpp",
+                "../../btgui/urdf/boost_replacement/printf_console.h",
+                "../../btgui/urdf/boost_replacement/string_split.cpp",
+                "../../btgui/urdf/boost_replacement/string_split.h",
 		"../bullet2/FeatherstoneMultiBodyDemo/BulletMultiBodyDemos.cpp",
 		"../bullet2/FeatherstoneMultiBodyDemo/BulletMultiBodyDemos.h",
 		"../bullet2/FeatherstoneMultiBodyDemo/MultiDofDemo.cpp",