diff --git a/speechx/speechx/frontend/audio/assembler.cc b/speechx/speechx/frontend/audio/assembler.cc
index afee3a6a3cf0a633daecdefecbc08702e71844d4..bbd0944225f845f9c0751dab9c5ca7175469740d 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;
 }