diff --git a/modules/core/perf/opencl/perf_matop.cpp b/modules/core/perf/opencl/perf_matop.cpp
index 9bb375587f3e5cafa23e024e55828e855ac1149e..67d382239ce85419d33e0ab51ed8581869521b56 100644
--- a/modules/core/perf/opencl/perf_matop.cpp
+++ b/modules/core/perf/opencl/perf_matop.cpp
@@ -139,6 +139,7 @@ OCL_PERF_TEST_P(CopyToFixture, CopyToWithMaskUninit,
         dst.release();
         startTimer();
         src.copyTo(dst, mask);
+        cv::ocl::finish();
         stopTimer();
     }