diff --git a/compiler/rustc_infer/src/infer/generalize.rs b/compiler/rustc_infer/src/infer/generalize.rs
index 9e24b020510..05037611262 100644
--- a/compiler/rustc_infer/src/infer/generalize.rs
+++ b/compiler/rustc_infer/src/infer/generalize.rs
@@ -193,7 +193,7 @@ where
                 opt_variances,
                 a_subst,
                 b_subst,
-                true,
+                false,
             )
         }
     }