diff --git a/holoviews/core/data/dictionary.py b/holoviews/core/data/dictionary.py
index b8ae1d0093..97725b7960 100644
--- a/holoviews/core/data/dictionary.py
+++ b/holoviews/core/data/dictionary.py
@@ -213,6 +213,7 @@ def values(cls, dataset, dim, expanded=True, flat=True):
         if np.isscalar(values):
             if not expanded:
                 return np.array([values])
+            print(len(dataset), type(values), values)
             values = np.full(len(dataset), values)
         else:
             if not expanded: