diff --git a/modules/photo/test/test_decolor.cpp b/modules/photo/test/test_decolor.cpp
index febf03ad16..259f7afd10 100644
--- a/modules/photo/test/test_decolor.cpp
+++ b/modules/photo/test/test_decolor.cpp
@@ -47,7 +47,7 @@
 using namespace cv;
 using namespace std;
 
-static const double numerical_precision = 1.;
+static const double numerical_precision = 10.;
 
 TEST(Photo_Decolor, regression)
 {