diff --git a/src/openpose/CMakeLists.txt b/src/openpose/CMakeLists.txt
index cedcfdb..4a918a5 100644
--- a/src/openpose/CMakeLists.txt
+++ b/src/openpose/CMakeLists.txt
@@ -25,6 +25,7 @@ endif ()
 # Ubuntu
 if(UNIX AND NOT APPLE)
   target_link_libraries(openpose ${OpenCV_LIBS} ${Caffe_LIBS}
+      GLU
       ${GFLAGS_LIBRARY} ${GLOG_LIBRARY} ${MKL_LIBS} ${GLUT_LIBRARY} ${SPINNAKER_LIB})
   if (CMAKE_COMPILER_IS_GNUCXX)
     foreach (SUB_DIR ${SUB_DIRS})