diff --git a/runtime_data/config/kr.conf b/runtime_data/config/kr.conf
index 8eed2f6..87c96e1 100644
--- a/runtime_data/config/kr.conf
+++ b/runtime_data/config/kr.conf
@@ -32,8 +32,8 @@ min_plate_size_width_px = 100
 min_plate_size_height_px = 20
 
 ; Results with fewer or more characters will be discarded
-postprocess_min_characters = 5
-postprocess_max_characters = 10
+postprocess_min_characters = 7
+postprocess_max_characters = 7
 
 ocr_language = lkr