diff --git a/.changeset/cyan-beans-bake.md b/.changeset/cyan-beans-bake.md
new file mode 100644
index 0000000..e0dba7f
--- /dev/null
+++ b/.changeset/cyan-beans-bake.md
@@ -0,0 +1,5 @@
+---
+"@marko/vite": patch
+---
+
+Fix issue with generated server entry code when using tags api.
diff --git a/src/server-entry-template.ts b/src/server-entry-template.ts
index 0de1a7c..35c37dd 100644
--- a/src/server-entry-template.ts
+++ b/src/server-entry-template.ts
@@ -15,7 +15,7 @@ import { addAssets } from "${renderAssetsRuntimeId}";
 
 ${opts.tagsAPI ? `<const/writeSync=${addAssetsCall}/>` : `$ const writeSync = ${addAssetsCall};`}
 
-<if(writeSync)>
+${opts.tagsAPI ? "<if=writeSync>" : "<if(writeSync)>"}
   $!{
     $global.___viteRenderAssets("head-prepend") +
     $global.___viteRenderAssets("head") +
@@ -40,7 +40,7 @@ ${opts.tagsAPI ? `<const/writeSync=${addAssetsCall}/>` : `$ const writeSync = ${
 <await-reorderer/>`
   }
 
-<if(writeSync)>
+${opts.tagsAPI ? "<if=writeSync>" : "<if(writeSync)>"}
   $!{$global.___viteRenderAssets("body")}
 </>
 <else>