diff --git a/compiler/gen_llvm/src/llvm/build_list.rs b/compiler/gen_llvm/src/llvm/build_list.rs
index 0556a6091e..ddaf2fe3e3 100644
--- a/compiler/gen_llvm/src/llvm/build_list.rs
+++ b/compiler/gen_llvm/src/llvm/build_list.rs
@@ -138,9 +138,11 @@ pub fn list_prepend<'a, 'ctx, 'env>(
     let list_ptr = load_list_ptr(builder, original_wrapper, ptr_type);
 
     // The output list length, which is the old list length + 1
-    let new_list_len =
-        env.builder
-            .build_int_add(env.ptr_int.const_int(1_u64, false), len, "new_list_length");
+    let new_list_len = env.builder.build_int_add(
+        env.ptr_int().const_int(1_u64, false),
+        len,
+        "new_list_length",
+    );
 
     // Allocate space for the new array that we'll copy into.
     let clone_ptr = allocate_list(env, elem_layout, new_list_len);
@@ -150,7 +152,7 @@ pub fn list_prepend<'a, 'ctx, 'env>(
     let index_1_ptr = unsafe {
         builder.build_in_bounds_gep(
             clone_ptr,
-            &[env.ptr_int.const_int(1_u64, false)],
+            &[env.ptr_int().const_int(1_u64, false)],
             "load_index",
         )
     };