diff --git a/src/sqlite3/result_set.cr b/src/sqlite3/result_set.cr
index b2f5f1a..f349333 100644
--- a/src/sqlite3/result_set.cr
+++ b/src/sqlite3/result_set.cr
@@ -37,7 +37,7 @@ class SQLite3::ResultSet
 
   # Returns the names of the columns, an `Array(String)`.
   def columns
-    @statement.types
+    @statement.columns
   end
 
   # Advances to the next row. Returns `true` if there's a next row,