diff --git a/engine/src/bullet/native/bullet.properties b/engine/src/bullet/native/bullet.properties
index 4349035c8..d8a62a15c 100644
--- a/engine/src/bullet/native/bullet.properties
+++ b/engine/src/bullet/native/bullet.properties
@@ -5,14 +5,14 @@ bullet.library.name=bulletjme
 bullet.library.version=0.9
 
 # change if bullet folder has different location
-bullet.folder=../../bullet-2.79
+bullet.folder=../bullet-trunk
 
 # compile options
 bullet.compile.debug=false
 
 # native library compilation options
 bullet.osx.compiler=g++
-bullet.osx.syslibroot=/Developer/SDKs/MacOSX10.6.sdk
+bullet.osx.syslibroot=/Developer/SDKs/MacOSX10.5.sdk
 # change this to msvc for MS Visual Studio compiler
 bullet.windows.compiler=g++
 bullet.linux.compiler=g++