diff --git a/layouts/partials/blocks/templates/chapter.html b/layouts/partials/blocks/templates/chapter.html
index 991d7028c372ac2d2f852c36fec846f9483e9db9..61014c58a94364bf5d65dc0aa27fe8d06a475621 100644
--- a/layouts/partials/blocks/templates/chapter.html
+++ b/layouts/partials/blocks/templates/chapter.html
@@ -35,9 +35,9 @@
             {{ partial "commons/image.html"
               (dict
                 "image"    .
-                "mobile"   "351x351"
-                "tablet"   "336x336"
-                "desktop"  "636x636"
+                "mobile"   "350x350"
+                "tablet"   "450x450"
+                "desktop"  "1280x1280"
               )}}
             {{ if partial "GetTextFromHTML" .credit }}
               <figcaption>{{ partial "PrepareHTML" .credit }}</figcaption>
diff --git a/layouts/partials/posts/image.html b/layouts/partials/posts/image.html
index 40868e727950f41c194bdb7ed27a4580fd33944d..eb398d084b434d3b76847294e820fba650f2d982 100644
--- a/layouts/partials/posts/image.html
+++ b/layouts/partials/posts/image.html
@@ -3,9 +3,9 @@
   {{ partial "commons/image.html"
         (dict
           "image"    .
-          "mobile"   "351x168"
-          "tablet"   "456x219"
-          "desktop"  "856x410"
+          "mobile"   "350x350"
+          "tablet"   "450x450"
+          "desktop"  "900x900"
           "itemprop" true
         )}}
     {{- if isset . "credit" -}}