diff --git a/universal/build.gradle b/universal/build.gradle
index 526dbe1f6..ed9f64564 100644
--- a/universal/build.gradle
+++ b/universal/build.gradle
@@ -21,6 +21,9 @@ java {
 }
 
 shadowJar {
+    manifest {
+        attributes["paperweight-mappings-namespace"] = "mojang"
+    }
     archiveClassifier.set("")
     archiveBaseName.set("ViaRewind-" + project.maven_version)
     configurations {