diff --git a/fuzzers/libfuzzer_libpng/src/lib.rs b/fuzzers/libfuzzer_libpng/src/lib.rs
index e69a16e0499..5fe52363d40 100644
--- a/fuzzers/libfuzzer_libpng/src/lib.rs
+++ b/fuzzers/libfuzzer_libpng/src/lib.rs
@@ -141,7 +141,7 @@ fn fuzz(corpus_dirs: &[PathBuf], objective_dir: PathBuf, broker_port: u16) -> Re
 
     // Setup a basic mutator with a mutational stage
 
-    let mutator = StdScheduledMutator::with_max_stack_pow(havoc_mutations().merge(tokens_mutations()), 1);
+    let mutator = StdScheduledMutator::new(havoc_mutations().merge(tokens_mutations()));
 
     let power = StdPowerMutationalStage::new(mutator);