diff --git a/CMakeLists.txt b/CMakeLists.txt
index f6cb247..5a89f65 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,6 @@ find_package(Gflags REQUIRED)
 add_definitions(-DHPMVS_GFLAGS_NAMESPACE=${GFLAGS_NAMESPACE})
 find_package(Glog REQUIRED)
 
-ADD_SUBDIRECTORY(thirdLibs/nlopt-2.4.2)
 ADD_SUBDIRECTORY(thirdLibs/stlplus3)
 
 set(HPMVS_SRC
@@ -42,7 +41,7 @@ set(HPMVS_INCLUDE_DIRS
 	${JPEG_INCLUDE_DIR}
 	${GFLAGS_INCLUDE_DIRS}
 	${GLOG_INCLUDE_DIRS}
-	${PROJECT_SOURCE_DIR}/thirdLibs/nlopt-2.4.2/api
+	/usr/include
 	${PROJECT_SOURCE_DIR}/thirdLibs/cimg
 	${PROJECT_SOURCE_DIR}/thirdLibs/
 	${PROJECT_SOURCE_DIR}/thirdLibs/stlplus3
@@ -55,7 +54,6 @@ set(HPMVS_LIBRARIES
 	${JPEG_LIBRARIES} 
 	${GFLAGS_LIBRARIES} 
 	${GLOG_LIBRARIES} 
-	nlopt 
 	stlplus3_hpmvs
 	)
 
@@ -67,7 +65,7 @@ target_link_libraries(HPMVS_static ${HPMVS_LIBRARIES})
 
 # build the executable
 add_executable (hpmvs src/main.cpp)
-target_link_libraries(hpmvs HPMVS_static ${HPMVS_LIBRARIES})
+target_link_libraries(hpmvs HPMVS_static ${HPMVS_LIBRARIES} nlopt)
 
 # install path
 install(TARGETS hpmvs RUNTIME DESTINATION bin)