diff --git a/.changeset/gold-bushes-divide.md b/.changeset/gold-bushes-divide.md
new file mode 100644
index 0000000000..bef17532c9
--- /dev/null
+++ b/.changeset/gold-bushes-divide.md
@@ -0,0 +1,5 @@
+---
+'@solid-design-system/docs': patch
+---
+
+Fixed Storybook layout issue in older versions of Firefox.
diff --git a/packages/docs/.storybook/manager-head.html b/packages/docs/.storybook/manager-head.html
index c10c54898e..170dfe6493 100644
--- a/packages/docs/.storybook/manager-head.html
+++ b/packages/docs/.storybook/manager-head.html
@@ -50,6 +50,13 @@
     --sd-color-neutral-200: #e9e9e9;
   }
 
+  /** Firefox specific styles to fix Storybook layout issue on past versions */
+  @supports (-moz-appearance: none) {
+    main > div {
+      height: 100%;
+    }
+  }
+
   /* Native dialog styles for theme protection */
   #theme-protection-dialog {
     border: none;