diff --git a/projects/opencv.cmake b/projects/opencv.cmake
index 7bab4b5bae7e3c02e6e26a21a6e068dbe055348f..89d2795fdee4acf71dfaab5e0873f1589a9b0b9d 100644
--- a/projects/opencv.cmake
+++ b/projects/opencv.cmake
@@ -13,6 +13,7 @@ superbuild_add_project(opencv
     -DWITH_VTK:BOOL=OFF
     -DBUILD_opencv_highgui=OFF
     -DWITH_QT=OFF
+    -DPYTHON2_NUMPY_INCLUDE_DIRS:PATH=<INSTALL_DIR>/lib/python2.7/site-packages/numpy/core/include
     -DCMAKE_INSTALL_NAME_DIR:PATH=<INSTALL_DIR>/lib)
 
 if (WIN32)