diff --git a/exe/FaceLandmarkVidMulti/CMakeLists.txt b/exe/FaceLandmarkVidMulti/CMakeLists.txt
index 161b33b..7dabc9d 100644
--- a/exe/FaceLandmarkVidMulti/CMakeLists.txt
+++ b/exe/FaceLandmarkVidMulti/CMakeLists.txt
@@ -1,3 +1,6 @@
+#TBB library
+include_directories(${TBB_ROOT_DIR}/include)
+
 # Local libraries
 include_directories(${LandmarkDetector_SOURCE_DIR}/include)