diff --git a/magick.ts b/magick.ts
index 56779fb..fdb7891 100644
--- a/magick.ts
+++ b/magick.ts
@@ -13,7 +13,9 @@ function createRoundedImage(profile: Profile) {
 
   const args = [
     profile.picture,
-    '-resize', '256x256',
+    '-resize', '256x256^',
+    '-gravity', 'center',
+    '-extent', '256x256',
     '(', '+clone', '-alpha', 'extract',
     '-draw', "fill black polygon 0,0 0,128 128,0 fill white circle 128,128 128,0",
     '(', '+clone', '-flip', ')', '-compose', 'Multiply', '-composite',