diff --git a/lib/aasm/persistence/sequel_persistence.rb b/lib/aasm/persistence/sequel_persistence.rb
index 0801a1e3..9de3e625 100644
--- a/lib/aasm/persistence/sequel_persistence.rb
+++ b/lib/aasm/persistence/sequel_persistence.rb
@@ -84,7 +84,7 @@ def aasm_ensure_initial_state
         # NOTE: intended to be called from an event
         def aasm_write_state state
           aasm_column = self.class.aasm_column
-          update_ony({aasm_column => state.to_s}, aasm_column)
+          update_only({aasm_column => state.to_s}, aasm_column)
         end
 
         # Writes <tt>state</tt> to the state column, but does not persist it to the database