diff --git a/texpngweb.el b/texpngweb.el
index 40413e2..ea27364 100644
--- a/texpngweb.el
+++ b/texpngweb.el
@@ -2,6 +2,7 @@
 
 (if (eq system-type 'android)
   (progn ;; Android custom org-latex-preview
+    (setq org-format-latex-options (plist-put org-format-latex-options :scale 100))
     (setq org-preview-latex-process-alist
           '((dvipngweb
               :programs ("curl")