diff --git a/cmake/OpenCVModule.cmake b/cmake/OpenCVModule.cmake
index fe31b70aa..beb12aa27 100644
--- a/cmake/OpenCVModule.cmake
+++ b/cmake/OpenCVModule.cmake
@@ -535,7 +535,7 @@ macro(ocv_create_module)
   if(OPENCV_MODULE_${the_module}_HEADERS AND ";${OPENCV_MODULES_PUBLIC};" MATCHES ";${the_module};")
     foreach(hdr ${OPENCV_MODULE_${the_module}_HEADERS})
       string(REGEX REPLACE "^.*opencv2/" "opencv2/" hdr2 "${hdr}")
-      if(hdr2 MATCHES "^(opencv2/.*)[^/]+.h(..)?$" AND NOT hdr2 MATCHES "opencv2/${the_module}/private.*")
+      if(NOT hdr2 MATCHES "opencv2/${the_module}/private.*" AND hdr2 MATCHES "^(opencv2/?.*)/[^/]+.h(..)?$" )
         install(FILES ${hdr} DESTINATION "${OPENCV_INCLUDE_INSTALL_PATH}/${CMAKE_MATCH_1}" COMPONENT main)
       endif()
     endforeach()