diff --git a/cmake/OpenCVUtils.cmake b/cmake/OpenCVUtils.cmake
index fae91c165f..60c20192dc 100644
--- a/cmake/OpenCVUtils.cmake
+++ b/cmake/OpenCVUtils.cmake
@@ -259,7 +259,7 @@ function(ocv_include_directories)
     ocv_is_opencv_directory(__is_opencv_dir "${dir}")
     if(__is_opencv_dir)
       list(APPEND __add_before "${dir}")
-    elseif(CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0" AND
+    elseif(((CV_GCC AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS "6.0") OR CV_CLANG) AND
            dir MATCHES "/usr/include$")
       # workaround for GCC 6.x bug
     else()