diff --git a/java/java.go b/java/java.go
index 99bb1b3..b925312 100644
--- a/java/java.go
+++ b/java/java.go
@@ -1798,6 +1798,7 @@
 		Flag("-jar").
 		Flag("-write_if_changed").
 		Flag("-ignore_missing_files").
+		Flag("-quiet").
 		FlagWithArg("-C ", unzippedSrcJarDir.String()).
 		FlagWithInput("-l ", classFilesList).
 		FlagWithOutput("-o ", al.stubsJarWithoutStaticLibs)