diff --git a/CHANGELOG b/CHANGELOG
index f6cc588..108166e 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,11 @@
 # Changelog
 
+## Version 2.15.1
+
+(released on 2026-07-25)
+
+- Better handle empty headers in vertical table output.
+
 ## Version 2.15.0
 
 (released on 2026-05-16)
diff --git a/cli_helpers/tabular_output/vertical_table_adapter.py b/cli_helpers/tabular_output/vertical_table_adapter.py
index 0b96cb2..856948e 100644
--- a/cli_helpers/tabular_output/vertical_table_adapter.py
+++ b/cli_helpers/tabular_output/vertical_table_adapter.py
@@ -52,7 +52,9 @@ def vertical_table(
     :rtype: str
 
     """
-    header_len = max([len(x) for x in headers])
+    if data and not headers:
+        headers = [" " * len(x) for x in data[0]]
+    header_len = max(len(x) for x in headers or [""])
     padded_headers = [x.ljust(header_len) for x in headers]
     formatted_rows = [_format_row(padded_headers, row) for row in data]