diff --git a/tools/aconfig/src/commands.rs b/tools/aconfig/src/commands.rs
index 586ba04..eb860b0 100644
--- a/tools/aconfig/src/commands.rs
+++ b/tools/aconfig/src/commands.rs
@@ -89,7 +89,7 @@
     Ok(builder.build())
 }
 
-pub fn create_java_lib(cache: Cache) -> Result<OutputFile> {
+pub fn create_java_lib(cache: Cache) -> Result<Vec<OutputFile>> {
     generate_java_code(&cache)
 }