diff --git a/bindings/python/src/tokenizer.rs b/bindings/python/src/tokenizer.rs
index 832b993c..f3ab156d 100644
--- a/bindings/python/src/tokenizer.rs
+++ b/bindings/python/src/tokenizer.rs
@@ -718,7 +718,9 @@ impl PyTokenizer {
     /// Disable truncation
     #[pyo3(text_signature = "(self)")]
     fn no_truncation(&mut self) {
-        let _ = self.tokenizer.with_truncation(None);
+        self.tokenizer
+            .with_truncation(None)
+            .expect("Failed to set truncation to `None`! This should never happen");
     }
 
     /// Get the currently set truncation parameters