diff --git a/speechx/speechx/frontend/audio/assembler.cc b/speechx/speechx/frontend/audio/assembler.cc
index afee3a6a3..bbd094422 100644
--- a/speechx/speechx/frontend/audio/assembler.cc
+++ b/speechx/speechx/frontend/audio/assembler.cc
@@ -105,7 +105,7 @@ bool Assembler::Compute(Vector<BaseFloat>* feats) {
     }
     CHECK(feature_cache_.size() == cache_size_ );
 
-    return result;
+    return true;
 }