diff --git a/crates/adapter/src/lib.rs b/crates/adapter/src/lib.rs
index 0dbba8be..4da15817 100644
--- a/crates/adapter/src/lib.rs
+++ b/crates/adapter/src/lib.rs
@@ -355,7 +355,7 @@ impl BumpAlloc {
             unreachable!("invalid alignment");
         }
         let align_offset = self.base.align_offset(align);
-        if align_offset >= self.len {
+        if align_offset > self.len {
             unreachable!("failed to allocate")
         }
         self.len -= align_offset;
diff --git a/lib/data/viceroy-component-adapter.wasm b/lib/data/viceroy-component-adapter.wasm
index 23c5936c..57cfa866 100755
Binary files a/lib/data/viceroy-component-adapter.wasm and b/lib/data/viceroy-component-adapter.wasm differ