diff --git a/tensorflow/core/data/dataset_utils.cc b/tensorflow/core/data/dataset_utils.cc
index 7c3fcfc86979f0..7ebeca64fbc533 100644
--- a/tensorflow/core/data/dataset_utils.cc
+++ b/tensorflow/core/data/dataset_utils.cc
@@ -1022,7 +1022,7 @@ REGISTER_DATASET_EXPERIMENT("no_compression_v2", RandomJobSamplePercentage<50>,
                             AllTasks);
 REGISTER_DATASET_EXPERIMENT("inject_io_prefetch", RandomJobSamplePercentage<0>,
                             AllTasks);
-REGISTER_DATASET_EXPERIMENT("map_fusion", RandomJobSamplePercentage<1>,
+REGISTER_DATASET_EXPERIMENT("map_fusion", RandomJobSamplePercentage<50>,
                             IndependentHostTasks);
 }  // namespace
 }  // namespace data