# must fail: plan_classes_O8
# ranges of different classes are merged (plan::plan_components)
diff --git a/wai/wai-rs/src/http_binding/plan.rs b/wai/wai-rs/src/http_binding/plan.rs
index 1d2902f7..fc58b047 100644
--- a/wai/wai-rs/src/http_binding/plan.rs
+++ b/wai/wai-rs/src/http_binding/plan.rs
@@ -151,7 +151,7 @@ pub fn plan_components(
     let mut merged: Vec<(Class, u64, u64)> = Vec::new();
     for (class, a, b) in pieces {
         match merged.last_mut() {
-            Some((c, _, e)) if *c == class && *e >= a => *e = (*e).max(b),
+            Some((_, _, e)) if *e >= a => *e = (*e).max(b),
             _ => merged.push((class, a, b)),
         }
     }