diff --git a/src/node/config.ts b/src/node/config.ts
index 910cd1ba9b7f..d9962bdf09b5 100644
--- a/src/node/config.ts
+++ b/src/node/config.ts
@@ -222,7 +222,7 @@ export async function resolveSiteData(
     appearance: userConfig.appearance ?? true,
     themeConfig: userConfig.themeConfig || {},
     locales: userConfig.locales || {},
-    scrollOffset: userConfig.scrollOffset || 90,
+    scrollOffset: userConfig.scrollOffset ?? 90,
     cleanUrls: !!userConfig.cleanUrls
   }
 }