diff --git a/lib/letter_avatar/avatar.rb b/lib/letter_avatar/avatar.rb
index 7aa237d..dc97259 100644
--- a/lib/letter_avatar/avatar.rb
+++ b/lib/letter_avatar/avatar.rb
@@ -64,7 +64,7 @@ module LetterAvatar
 
       def generate_fullsize(identity)
         filename = fullsize_path(identity)
-        pointsize = filename.match(/^[A-Za-z0-9]+$/) ? (LetterAvatar.pointsize + 150) : LetterAvatar.pointsize
+        pointsize = filename.match(/^[A-Za-z0-9]+$/) ? 350 : LetterAvatar.pointsize
         LetterAvatar.execute(
           %W(
             convert
--
libgit2 0.21.0