diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 8aa5f757c8..dbf67cec51 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -7375,6 +7375,13 @@ a.status-card {
   grid-template-rows: 1fr 1fr;
   gap: 2px;
 
+  &--layout-1 {
+    // The size of single images is determined by their
+    // aspect-ratio, applied via inline style attribute
+    width: initial;
+    max-height: 460px;
+  }
+
   &--layout-2 {
     & > .media-gallery__item:nth-child(1) {
       border-end-end-radius: 0;
diff --git a/app/javascript/styles_new/mastodon/components.scss b/app/javascript/styles_new/mastodon/components.scss
index 0576255560..13d19c5b8c 100644
--- a/app/javascript/styles_new/mastodon/components.scss
+++ b/app/javascript/styles_new/mastodon/components.scss
@@ -7161,6 +7161,13 @@ a.status-card {
   grid-template-rows: 1fr 1fr;
   gap: 2px;
 
+  &--layout-1 {
+    // The size of single images is determined by their
+    // aspect-ratio, applied via inline style attribute
+    width: initial;
+    max-height: 460px;
+  }
+
   &--layout-2 {
     & > .media-gallery__item:nth-child(1) {
       border-end-end-radius: 0;