diff --git a/src/main.rs b/src/main.rs
index 2d08c63..19f47f7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -693,11 +693,17 @@ pub extern "C" fn __nac3_cells_fft(reals: *mut List, imags: *mut List) {
     let mut planner = rustfft::FftPlanner::<f64>::new();
     let fft = planner.plan_fft_forward(reals_slice.len());
     let mut buffer = vec![num_complex::Complex { re: 0.0, im: 0.0 }; reals_slice.len()];
-    for (buf, (re, im)) in buffer.iter_mut().zip(reals_slice.iter().zip(imags_slice.iter())) {
+    for (buf, (re, im)) in buffer
+        .iter_mut()
+        .zip(reals_slice.iter().zip(imags_slice.iter()))
+    {
         *buf = num_complex::Complex { re: *re, im: *im };
     }
     fft.process(&mut buffer);
-    for (buf, (re, im)) in buffer.iter().zip(reals_slice.iter_mut().zip(imags_slice.iter_mut())) {
+    for (buf, (re, im)) in buffer
+        .iter()
+        .zip(reals_slice.iter_mut().zip(imags_slice.iter_mut()))
+    {
         *re = buf.re;
         *im = buf.im;
     }