diff --git a/.changeset/wild-mice-think.md b/.changeset/wild-mice-think.md
new file mode 100644
index 0000000..b3493c2
--- /dev/null
+++ b/.changeset/wild-mice-think.md
@@ -0,0 +1,5 @@
+---
+"arc-vite": patch
+---
+
+Fix syntax error in generated code when multiple arc conditions used.
diff --git a/src/plugins/build-web.ts b/src/plugins/build-web.ts
index 0cc48d6..c81b336 100644
--- a/src/plugins/build-web.ts
+++ b/src/plugins/build-web.ts
@@ -503,7 +503,7 @@ export function pluginBuildWeb({
             matchCodeSep = ":";
           }
 
-          manifestCode += `:${JSON.stringify(defaultFlaggedAssets.manifest)}`;
+          manifestCode += `:${JSON.stringify(defaultFlaggedAssets.manifest)};`;
         }
 
         manifestCode += `}return {"head": ["<script>console.error('Unable to load adaptive arc files, unknown entry was provided when asking for assets.')</script>"]}};\n`;