diff --git a/packages/mermaid/package.json b/packages/mermaid/package.json
index 10081e7f3..e40912c29 100644
--- a/packages/mermaid/package.json
+++ b/packages/mermaid/package.json
@@ -8,7 +8,8 @@
   "exports": {
     ".": {
       "types": "./dist/mermaid.d.ts",
-      "import": "./dist/mermaid.core.mjs"
+      "import": "./dist/mermaid.core.mjs",
+      "default": "./dist/mermaid.core.mjs"
     },
     "./*": "./*"
   },