diff --git a/src/tools/miri/src/intrinsics/simd.rs b/src/tools/miri/src/intrinsics/simd.rs
index 63a61dcd1487..6cc34149f63a 100644
--- a/src/tools/miri/src/intrinsics/simd.rs
+++ b/src/tools/miri/src/intrinsics/simd.rs
@@ -639,8 +639,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
                 let (right, right_len) = this.project_to_simd(right)?;
                 let (dest, dest_len) = this.project_to_simd(dest)?;
 
-                let index =
-                    generic_args[2].expect_const().to_value().valtree.unwrap_branch();
+                let index = generic_args[2].expect_const().to_value().valtree.unwrap_branch();
                 let index_len = index.len();
 
                 assert_eq!(left_len, right_len);