diff --git a/fuzzers/FRET/src/systemstate/mutational.rs b/fuzzers/FRET/src/systemstate/mutational.rs
index 53414432a7..d1472cd779 100644
--- a/fuzzers/FRET/src/systemstate/mutational.rs
+++ b/fuzzers/FRET/src/systemstate/mutational.rs
@@ -116,7 +116,7 @@ pub struct InterruptShiftStage<E, EM, Z> {
     #[allow(clippy::type_complexity)]
     phantom: PhantomData<(E, EM, Z)>,
     interrup_config: Vec<(usize,u32)>,
-    success: simple_moving_average::SingleSumSMA<f32, f32, 100>
+    success: simple_moving_average::SingleSumSMA<f32, f32, 50>
 }
 
 impl<E, EM, Z> InterruptShiftStage<E, EM, Z>