diff --git a/modules/core/include/opencv2/core/core.hpp b/modules/core/include/opencv2/core/core.hpp
index dbd6bc74d1..49df166fed 100644
--- a/modules/core/include/opencv2/core/core.hpp
+++ b/modules/core/include/opencv2/core/core.hpp
@@ -230,9 +230,9 @@ CV_EXPORTS ErrorCallback redirectError( ErrorCallback errCallback,
 
 CV_EXPORTS void glob(String pattern, std::vector<String>& result, bool recursive = false);
 
-CV_EXPORTS void setNumThreads(int nthreads);
-CV_EXPORTS int getNumThreads();
-CV_EXPORTS int getThreadNum();
+CV_EXPORTS_W void setNumThreads(int nthreads);
+CV_EXPORTS_W int getNumThreads();
+CV_EXPORTS_W int getThreadNum();
 
 CV_EXPORTS_W const string& getBuildInformation();