diff --git a/src/graph/Tensor.cpp b/src/graph/Tensor.cpp
index ef253fe..9850128 100644
--- a/src/graph/Tensor.cpp
+++ b/src/graph/Tensor.cpp
@@ -90,12 +90,12 @@
     }
 
     // Call accessor
-    _accessor->access_tensor(_handle->tensor());
+    bool retval = _accessor->access_tensor(_handle->tensor());
 
     // Unmap tensor
     _handle->unmap();
 
-    return true;
+    return retval;
 }
 
 void Tensor::bind_edge(EdgeID eid)