diff --git a/.test/config_ecoli/config.yaml b/.test/config_ecoli/config.yaml
index 5294404..462bf5c 100644
--- a/.test/config_ecoli/config.yaml
+++ b/.test/config_ecoli/config.yaml
@@ -258,7 +258,7 @@ params:
     # Number of threads to use
     threads: 8
     # Manhattan plot point size
-    point_size: 20
+    point_size: 200
 
   # ----------------------------------------------------------------------
   #     samtools Params