diff --git a/crates/compiler/mono/src/ir.rs b/crates/compiler/mono/src/ir.rs
index 23dc689c8f..fd69862699 100644
--- a/crates/compiler/mono/src/ir.rs
+++ b/crates/compiler/mono/src/ir.rs
@@ -2480,7 +2480,7 @@ fn from_can_let<'a>(
                 lower_rest!(variable, cont.value)
             }
             Var(original, _) | AbilityMember(original, _, _)
-                if !procs.get_partial_proc(original).is_some() =>
+                if procs.get_partial_proc(original).is_none() =>
             {
                 // a variable is aliased, e.g.
                 //