diff --git a/src/frontend/apps/impress/src/features/docs/doc-editor/components/BlockNoteEditor.tsx b/src/frontend/apps/impress/src/features/docs/doc-editor/components/BlockNoteEditor.tsx
index fe419b809..e4caead72 100644
--- a/src/frontend/apps/impress/src/features/docs/doc-editor/components/BlockNoteEditor.tsx
+++ b/src/frontend/apps/impress/src/features/docs/doc-editor/components/BlockNoteEditor.tsx
@@ -125,6 +125,7 @@ export const BlockNoteEditor = ({ doc, provider }: BlockNoteEditorProps) => {
       },
       uploadFile,
       schema: blockNoteSchema,
+      disableExtensions: ['gapCursor'],
     },
     [collabName, lang, provider, uploadFile],
   );
diff --git a/src/frontend/apps/impress/src/features/docs/doc-editor/components/custom-blocks/CalloutBlock.tsx b/src/frontend/apps/impress/src/features/docs/doc-editor/components/custom-blocks/CalloutBlock.tsx
index 6e77d5a05..028735c49 100644
--- a/src/frontend/apps/impress/src/features/docs/doc-editor/components/custom-blocks/CalloutBlock.tsx
+++ b/src/frontend/apps/impress/src/features/docs/doc-editor/components/custom-blocks/CalloutBlock.tsx
@@ -70,6 +70,7 @@ export const CalloutBlock = createReactBlockSpec(
               }
             `}
             $align="center"
+            $justify="center"
             $height="28px"
             $width="28px"
             $radius="4px"
@@ -85,7 +86,7 @@ export const CalloutBlock = createReactBlockSpec(
               onEmojiSelect={onEmojiSelect}
             />
           )}
-          <Box as="p" className="inline-content" ref={contentRef} />
+          <Box className="inline-content" ref={contentRef} $justify="center" />
         </Box>
       );
     },