diff --git a/src/extra/components/dld.py b/src/extra/components/dld.py
index 63ea626b..bbd0a0bb 100644
--- a/src/extra/components/dld.py
+++ b/src/extra/components/dld.py
@@ -250,7 +250,7 @@ def edges(self, channel_index=True, pulse_dim='pulseId'):
         index = self._align_pulse_index(kd, pulse_dim)
         data = kd.ndarray()
         raw_edges = [self._build_reduced_pd(data[:, i, :], index, None)
-                     for i in range(7)]
+                     for i in range(data.shape[1])]
 
         index = pd.MultiIndex.from_frame(
             pd.concat([e.index.to_frame() for e in raw_edges]))