diff --git a/Makefile b/Makefile
index 37d8214c5..95947d093 100644
--- a/Makefile
+++ b/Makefile
@@ -1062,7 +1062,7 @@ jdb_bench:
 
 commit-prereq:
 	$(MAKE) clean && $(MAKE) all check;
-	$(MAKE) clean && $(MAKE) rocksdbjava;
+	$(MAKE) clean && $(MAKE) jclean && $(MAKE) rocksdbjava;
 	$(MAKE) clean && USE_CLANG=1 $(MAKE) all;
 	$(MAKE) clean && OPT=-DROCKSDB_LITE $(MAKE) static_lib;