diff --git a/resources/parser/data_sets/openaddresses.yaml b/resources/parser/data_sets/openaddresses.yaml
index 8b130066..f8e9b2ca 100644
--- a/resources/parser/data_sets/openaddresses.yaml
+++ b/resources/parser/data_sets/openaddresses.yaml
@@ -531,6 +531,7 @@ countries:
 
     es:
         add_osm_boundaries: true
+        postcode_length: 5
         files:
             - filename: 25829.csv
             - filename: 25830.csv