diff --git a/dnn/test/cuda/warp_perspective.cpp b/dnn/test/cuda/warp_perspective.cpp
index 5c0d5547ad2196769f645d3942a57e0d14008a17..a8d00b6603ff6a51169c7f6b2fb8a8c53adf2ef5 100644
--- a/dnn/test/cuda/warp_perspective.cpp
+++ b/dnn/test/cuda/warp_perspective.cpp
@@ -664,10 +664,10 @@ TEST_F(CUDA, WARP_PERSPECTIVE_BACKWARD_MAT_BFLOAT16) {
             param.imode = param::WarpPerspective::InterpolationMode::LINEAR;
             param.bmode = bmode;
             checker.set_param(param);
-            checker.execs({{1000, 3, 11, 12},
-                           {1000, 3, 3},
-                           {1000, 3, 10, 11},
-                           {1000, 3, 3}});
+            checker.execs({{10, 3, 11, 12},
+                           {10, 3, 3},
+                           {10, 3, 10, 11},
+                           {10, 3, 3}});
         }
     }
 }