diff --git a/.changeset/serious-peas-train.md b/.changeset/serious-peas-train.md
new file mode 100644
index 000000000..7e9b0a435
--- /dev/null
+++ b/.changeset/serious-peas-train.md
@@ -0,0 +1,5 @@
+---
+"@gitbook/react-contentkit": patch
+---
+
+Fix an issue where contentkit webframes weren't resized properly
diff --git a/packages/react-contentkit/src/ElementWebframe.tsx b/packages/react-contentkit/src/ElementWebframe.tsx
index 63ee2345d..93e26ecf4 100644
--- a/packages/react-contentkit/src/ElementWebframe.tsx
+++ b/packages/react-contentkit/src/ElementWebframe.tsx
@@ -185,7 +185,7 @@ export function ElementWebframe(props: ContentKitClientElementProps<ContentKitWe
                     : { width: '100%' }),
 
                 maxWidth: '100%',
-                height: Math.max(size.height || 0, 32),
+                height: size.height ? Math.max(size.height, 32) : '100%',
                 border: 'none',
             }}
         />