diff --git a/umap/plot.py b/umap/plot.py
index 04a4cdf0..f9083546 100644
--- a/umap/plot.py
+++ b/umap/plot.py
@@ -1386,7 +1386,7 @@ def interactive(
             tooltip_dict = {}
             for col_name in hover_data:
                 data[col_name] = hover_data[col_name]
-                tooltip_dict[col_name] = "@" + col_name
+                tooltip_dict[col_name] = "@{" + col_name + "}"
             tooltips = list(tooltip_dict.items())
         else:
             tooltips = None