diff --git a/pipe/pipe.py b/pipe/pipe.py
index a71ec99..fe7148c 100644
--- a/pipe/pipe.py
+++ b/pipe/pipe.py
@@ -72,6 +72,7 @@ def spectrogram_pipe_hdf5(self, specpath: Path, labels: list,
             filename = namepattern.format(label)
             meta = metadata[label]
             with h5py.File(specpath/filename, 'r') as f:
+                meta["label"] = label
                 meta["spectrogram"] = f['spectrogram'][:].tolist()
             spectrograms.append(Row(**meta))