diff --git a/runtime_data/config/kr.conf b/runtime_data/config/kr.conf
index cd4b846..84b2b4d 100644
--- a/runtime_data/config/kr.conf
+++ b/runtime_data/config/kr.conf
@@ -5,7 +5,7 @@ char_analysis_height_range = 0.15
 char_analysis_height_step_size = 0.10
 char_analysis_height_num_steps = 5
 
-segmentation_min_box_width_px = 5
+segmentation_min_box_width_px = 4
 segmentation_min_charheight_percent = 0.4;
 segmentation_max_segment_width_percent_vs_average = 2.0;
 
@@ -15,7 +15,7 @@ plate_height_mm = 110
 multiline = 0
 
 char_height_mm = 80
-char_width_mm = 53
+char_width_mm = 43
 char_whitespace_top_mm = 10
 char_whitespace_bot_mm = 10