diff --git a/Android.bp b/Android.bp
index cc4b402..1d81a62 100644
--- a/Android.bp
+++ b/Android.bp
@@ -61,6 +61,16 @@ soong_config_module_type {
     ],
 }
 
+soong_config_module_type {
+    name: "module_prebuilt_systemserverclasspath_fragment",
+    module_type: "prebuilt_systemserverclasspath_fragment",
+    config_namespace: "ANDROID",
+    bool_variables: ["module_build_from_source"],
+    properties: [
+        "prefer",
+    ],
+}
+
 soong_config_module_type {
     name: "module_java_import",
     module_type: "java_import",