diff --git a/compiler/gen_llvm/src/llvm/build_list.rs b/compiler/gen_llvm/src/llvm/build_list.rs
index 997e322411..c6d39c33d5 100644
--- a/compiler/gen_llvm/src/llvm/build_list.rs
+++ b/compiler/gen_llvm/src/llvm/build_list.rs
@@ -312,7 +312,7 @@ pub fn list_replace_unsafe<'a, 'ctx, 'env>(
         UpdateMode::InPlace => call_bitcode_fn(
             env,
             &[
-                list.into(),
+                pass_list_cc(env, list),
                 index.into(),
                 pass_element_as_opaque(env, element, *element_layout),
                 layout_width(env, element_layout),
@@ -323,7 +323,7 @@ pub fn list_replace_unsafe<'a, 'ctx, 'env>(
         UpdateMode::Immutable => call_bitcode_fn(
             env,
             &[
-                list.into(),
+                pass_list_cc(env, list),
                 env.alignment_intvalue(element_layout),
                 index.into(),
                 pass_element_as_opaque(env, element, *element_layout),
diff --git a/compiler/test_gen/src/gen_list.rs b/compiler/test_gen/src/gen_list.rs
index 296f083e59..18ce3051b5 100644
--- a/compiler/test_gen/src/gen_list.rs
+++ b/compiler/test_gen/src/gen_list.rs
@@ -1710,7 +1710,7 @@ fn replace_unique_int_list() {
             r#"
                 result = List.replace [ 12, 9, 7, 1, 5 ] 2 33
                 when result is
-                    Ok {list, value} -> list
+                    Ok {list} -> list
                     Err _ -> []
             "#
         ),
@@ -1727,7 +1727,7 @@ fn replace_unique_int_list_get_old_value() {
             r#"
                 result = List.replace [ 12, 9, 7, 1, 5 ] 2 33
                 when result is
-                    Ok {list, value} -> value
+                    Ok {value} -> value
                     Err _ -> -1
             "#
         ),