diff --git a/packages/integrations/markdoc/src/content-entry-type.ts b/packages/integrations/markdoc/src/content-entry-type.ts
index 791def315a..ee3bfd80fd 100644
--- a/packages/integrations/markdoc/src/content-entry-type.ts
+++ b/packages/integrations/markdoc/src/content-entry-type.ts
@@ -334,6 +334,8 @@ async function emitOptimizedImages(
 						}
 
 						node.attributes[attributeName] = { ...src, fsPath };
+						// Serve optimizedSrc as src
+						node.attributes.src = src.src;
 					}
 				} else {
 					throw new MarkdocError({