diff --git a/random_sets/datasources.py b/random_sets/datasources.py
index 442e82f..c20c1ed 100644
--- a/random_sets/datasources.py
+++ b/random_sets/datasources.py
@@ -124,6 +124,7 @@ class DataSource:
         # If there is no data for the specified option, stop now.
         flattened = []
         if not self.data[option]:
+            return [option]
             raise ValueError(f"There is no data for '{option}' in your data source.")
 
         if hasattr(self.data[option], 'keys'):
diff --git a/test/test_datasources.py b/test/test_datasources.py
index a6ec357..f0f2c43 100644
--- a/test/test_datasources.py
+++ b/test/test_datasources.py
@@ -56,6 +56,19 @@ def test_zero_frequency():
         assert 'Option 1' not in val
 
 
+def test_one_column_only():
+    fixture = StringIO(f"""
+{fixture_metadata}
+Option 1:
+Option 2:
+Option 3:
+""")
+    ds = datasources.DataSource(fixture)
+    vals = ds.random_values(count=10)
+    assert len(vals) == 10
+    assert len(vals[0]) == 1
+
+
 def test_distribution_accuracy_to_one_decimal_place():
     fixture = StringIO(fixture_metadata + fixture_source)
     ds = datasources.DataSource(fixture)