diff --git a/test/freeflow/shallowwater/dambreak/CMakeLists.txt b/test/freeflow/shallowwater/dambreak/CMakeLists.txt
index 81b8c8896186b83bae9b3cbe3f7205a1e1e64808..96cd98c561a820bb2145732d204a3e32a7902422 100644
--- a/test/freeflow/shallowwater/dambreak/CMakeLists.txt
+++ b/test/freeflow/shallowwater/dambreak/CMakeLists.txt
@@ -6,5 +6,6 @@ dune_add_test(NAME test_shallowwater_dambreak
               CMD_ARGS       --script fuzzy
                              --files ${CMAKE_SOURCE_DIR}/test/references/test_ff_shallowwater_dambreak-reference.vtu
                                      ${CMAKE_CURRENT_BINARY_DIR}/dambreak-00001.vtu
+                             --zeroThreshold {"velocityY":1e-14}
                              --command "${CMAKE_CURRENT_BINARY_DIR}/test_shallowwater_dambreak params.input
                              -Problem.Name dambreak")