diff --git a/cmake/externals/bullet/CMakeLists.txt b/cmake/externals/bullet/CMakeLists.txt
index 661beac212..4fb8b0a5d1 100644
--- a/cmake/externals/bullet/CMakeLists.txt
+++ b/cmake/externals/bullet/CMakeLists.txt
@@ -6,7 +6,9 @@ else ()
   set(PLATFORM_CMAKE_ARGS "-DBUILD_SHARED_LIBS=1")
   
   if (ANDROID)
-    set(PLATFORM_CMAKE_ARGS "${PLATFORM_CMAKE_ARGS} -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}" "-DANDROID_NATIVE_API_LEVEL=19")
+    list(APPEND PLATFORM_CMAKE_ARGS "-DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}" "-DANDROID_NATIVE_API_LEVEL=19")
+  elseif (APPLE)
+    list(APPEND PLATFORM_CMAKE_ARGS "-DCMAKE_INSTALL_NAME_DIR=<INSTALL_DIR>/lib")
   endif()
 endif ()
 
@@ -23,7 +25,7 @@ ExternalProject_Add(
   ${EXTERNAL_NAME}
   URL ${DOWNLOAD_URL}
   URL_MD5 ${DOWNLOAD_MD5}
-  CMAKE_ARGS ${PLATFORM_CMAKE_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DBUILD_EXTRAS=0 -DINSTALL_LIBS=1 -DBUILD_DEMOS=0 -DUSE_GLM=0
+  CMAKE_ARGS ${PLATFORM_CMAKE_ARGS} -DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR> -DBUILD_EXTRAS=0 -DINSTALL_LIBS=1 -DBUILD_DEMOS=0 -DUSE_GLUT=0
   LOG_DOWNLOAD 1
   LOG_CONFIGURE 1
   LOG_BUILD 1