diff --git a/modules/plugin/samples/default/os2/Makefile.in b/modules/plugin/samples/default/os2/Makefile.in
index 93de5920cc1..10f547ec82f 100644
--- a/modules/plugin/samples/default/os2/Makefile.in
+++ b/modules/plugin/samples/default/os2/Makefile.in
@@ -29,6 +29,8 @@ include $(DEPTH)/config/autoconf.mk
 
 LIBRARY_NAME	= npnulos2
 EXPORT_LIBRARY = 1
+REQUIRES	= java \
+		  $(NULL)
 
 CPPSRCS		= \
 		maindll.cpp\