diff --git a/spec/support/unit/active_record/create_table.rb b/spec/support/unit/active_record/create_table.rb
index 99135a835..9fea462cf 100644
--- a/spec/support/unit/active_record/create_table.rb
+++ b/spec/support/unit/active_record/create_table.rb
@@ -71,7 +71,13 @@ def normalize_columns(columns)
           if columns.values.first.is_a?(Hash)
             columns
           else
-            columns.transform_values { |value| { type: value } }
+            columns.transform_values do |value|
+              if value == false
+                value
+              else
+                { type: value }
+              end
+            end
           end
         else
           columns.inject({}) do |hash, column_name|