diff --git a/cpp/daal/src/externals/core_threading_win_dll.cpp b/cpp/daal/src/externals/core_threading_win_dll.cpp
index 5203de530ad..d06acfa9aed 100644
--- a/cpp/daal/src/externals/core_threading_win_dll.cpp
+++ b/cpp/daal/src/externals/core_threading_win_dll.cpp
@@ -14,7 +14,7 @@
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *******************************************************************************/
-c
+
 /*
 //++c
 //  Implementation of "stubs" for threading layer functions for win dll case.