diff --git a/crates/compiler/gen_dev/src/generic64/mod.rs b/crates/compiler/gen_dev/src/generic64/mod.rs
index de4b494cd0..f855014de9 100644
--- a/crates/compiler/gen_dev/src/generic64/mod.rs
+++ b/crates/compiler/gen_dev/src/generic64/mod.rs
@@ -1268,7 +1268,13 @@ impl<
         self.build_num_mul_wrap(dst, src1, src2, layout)
     }
 
-    fn build_num_mul_wrap(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &InLayout<'a>) {
+    fn build_num_mul_wrap(
+        &mut self,
+        dst: &Symbol,
+        src1: &Symbol,
+        src2: &Symbol,
+        layout: &InLayout<'a>,
+    ) {
         use Builtin::Int;
 
         match self.layout_interner.get_repr(*layout) {
diff --git a/crates/compiler/gen_dev/src/lib.rs b/crates/compiler/gen_dev/src/lib.rs
index 310e678d9c..0d4b54d97e 100644
--- a/crates/compiler/gen_dev/src/lib.rs
+++ b/crates/compiler/gen_dev/src/lib.rs
@@ -1965,7 +1965,13 @@ trait Backend<'a> {
     fn build_num_mul(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &InLayout<'a>);
 
     /// build_num_mul_wrap stores `src1 * src2` into dst.
-    fn build_num_mul_wrap(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &InLayout<'a>);
+    fn build_num_mul_wrap(
+        &mut self,
+        dst: &Symbol,
+        src1: &Symbol,
+        src2: &Symbol,
+        layout: &InLayout<'a>,
+    );
 
     /// build_num_mul stores `src1 / src2` into dst.
     fn build_num_div(&mut self, dst: &Symbol, src1: &Symbol, src2: &Symbol, layout: &InLayout<'a>);