diff --git a/.stainless-version b/.stainless-version
index 70bca09b..6d90a817 100644
--- a/.stainless-version
+++ b/.stainless-version
@@ -1 +1 @@
-noxt-0.8.1
+noxt-0.8.1-1-g3c34688
diff --git a/demo/examples/generic_result.rs b/demo/examples/generic_result.rs
deleted file mode 100644
index b807bf07..00000000
--- a/demo/examples/generic_result.rs
+++ /dev/null
@@ -1,31 +0,0 @@
-extern crate stainless;
-use stainless::*;
-
-// These are just here, because the bug was triggered more easily with more
-// stuff to extract.
-trait Clone {
-  fn clone(&self) -> Self;
-}
-trait Default {
-  fn default() -> Self;
-}
-pub trait Equals {
-  fn eq(&self, other: &Self) -> bool;
-}
-
-pub enum Result<T, E> {
-  Ok(T),
-  Err(E),
-}
-
-impl<T, E> Result<T, E> {
-  #[post(self.is_ok() == ret)]
-  pub fn is_ok(&self) -> bool {
-    match self {
-      Result::Ok(_) => true,
-      _ => false,
-    }
-  }
-}
-
-pub fn main() {}
diff --git a/stainless_backend/src/lib.rs b/stainless_backend/src/lib.rs
index d25d7c45..d9253599 100644
--- a/stainless_backend/src/lib.rs
+++ b/stainless_backend/src/lib.rs
@@ -56,7 +56,9 @@ impl Backend {
       .arg("--interactive")
       .arg("--batched")
       .arg("--vc-cache=false")
-      .arg("--type-checker=false")
+      // FIXME: https://github.com/epfl-lara/rust-stainless/issues/86
+      .arg("--check-measures=false")
+      .arg("--infer-measures=false")
       .arg(format!("--timeout={}", config.timeout))
       .arg(format!("--print-ids={}", config.print_ids))
       .arg(format!("--print-types={}", config.print_types))
diff --git a/stainless_frontend/tests/pass/generic_result.rs b/stainless_frontend/tests/pass/generic_result.rs
index b807bf07..fb83a016 100644
--- a/stainless_frontend/tests/pass/generic_result.rs
+++ b/stainless_frontend/tests/pass/generic_result.rs
@@ -19,7 +19,7 @@ pub enum Result<T, E> {
 }
 
 impl<T, E> Result<T, E> {
-  #[post(self.is_ok() == ret)]
+  #[post(matches!(self, Result::Ok(_)) == ret)]
   pub fn is_ok(&self) -> bool {
     match self {
       Result::Ok(_) => true,