diff --git a/crates/compiler/solve/src/ability.rs b/crates/compiler/solve/src/ability.rs
index f4b136405c..0454b59993 100644
--- a/crates/compiler/solve/src/ability.rs
+++ b/crates/compiler/solve/src/ability.rs
@@ -396,7 +396,7 @@ impl ObligationCache<'_> {
                 .abilities_store
                 .get_implementation(roc_can::abilities::ImplKey {
                     opaque,
-                    ability_member: ability,
+                    ability_member: member,
                 })
                 .is_none()
             {