diff --git a/resources/parser/data_sets/osm.yaml b/resources/parser/data_sets/osm.yaml
index 2be766d1..d2dd1e26 100644
--- a/resources/parser/data_sets/osm.yaml
+++ b/resources/parser/data_sets/osm.yaml
@@ -28,4 +28,5 @@ countries:
     jp:
         # Always do this as there are plenty of examples of block numbers without house number
         combine_block_house_number_probability: 1.0
-        block_phrase_probability: 0.4
\ No newline at end of file
+        block_phrase_probability: 0.4
+        romaji_probability: 0.2
\ No newline at end of file