diff --git a/modules/imgproc/perf/perf_filter2d.cpp b/modules/imgproc/perf/perf_filter2d.cpp
index 3b70d3a009..1eec745560 100644
--- a/modules/imgproc/perf/perf_filter2d.cpp
+++ b/modules/imgproc/perf/perf_filter2d.cpp
@@ -70,5 +70,5 @@ PERF_TEST_P( Image_KernelSize, GaborFilter2d,
         filter2D(sourceImage, filteredImage, CV_32F, gaborKernel);
     }
 
-    SANITY_CHECK(filteredImage, 1e-3);
+    SANITY_CHECK(filteredImage, 1e-6, ERROR_RELATIVE);
 }