diff --git a/frontend/packages/editor/src/blocknote/core/extensions/Blocks/nodes/Block.module.css b/frontend/packages/editor/src/blocknote/core/extensions/Blocks/nodes/Block.module.css
index a1f431692e..8c8409259c 100644
--- a/frontend/packages/editor/src/blocknote/core/extensions/Blocks/nodes/Block.module.css
+++ b/frontend/packages/editor/src/blocknote/core/extensions/Blocks/nodes/Block.module.css
@@ -152,14 +152,14 @@ NESTED BLOCKS
   --prev-level: 1.8em;
 }
 
-.blockOuter[data-prev-type='heading'] > .block > .blockContent {
+.blockOuter[data-prev-type='heading'] > .block .blockContent {
   font-size: var(--prev-level);
   font-weight: bold;
 }
 
 .blockOuter:not([data-prev-type])
   > .block
-  > .blockContent[data-content-type='heading'] {
+  .blockContent[data-content-type='heading'] {
   font-size: var(--level);
   line-height: 1.2;
   max-width: 24ch;
diff --git a/frontend/packages/editor/src/hypermedia-block-container.tsx b/frontend/packages/editor/src/hypermedia-block-container.tsx
index 3b62a59117..22ae1ed48a 100644
--- a/frontend/packages/editor/src/hypermedia-block-container.tsx
+++ b/frontend/packages/editor/src/hypermedia-block-container.tsx
@@ -164,7 +164,7 @@ export const HMBlockContainer = Node.create<{
             styles.blockOuter,
             hovered ? 'block-container-hovered' : '',
           )}
-          data-node-id="block-outer"
+          data-node-type="block-outer"
         >
           <div
             {...domAttributes}