diff --git a/src/mlpack/core/data/save_impl.hpp b/src/mlpack/core/data/save_impl.hpp
index ca45fd0bcb..fbcd142036 100644
--- a/src/mlpack/core/data/save_impl.hpp
+++ b/src/mlpack/core/data/save_impl.hpp
@@ -185,7 +185,7 @@ bool Save(const std::string& filename,
         matrix.quiet_save(filename, saveType) :
         matrix.quiet_save(stream, saveType);
 #else
-    const bool success = tmp.quiet_save(stream, saveType);
+    const bool success = matrix.quiet_save(stream, saveType);
 #endif
     if (!success)
     {