diff --git a/config/RULES.Host b/config/RULES.Host
index 713d70618..8f18cb108 100644
--- a/config/RULES.Host
+++ b/config/RULES.Host
@@ -440,7 +440,11 @@ endif  #ifdef PROD
 #
 
 INSTALL_JAVA = $(INSTALL_LOCATION)/javalib
-DIRECTORY_TARGETS += $(INSTALL_JAVA) $(INSTALL_JAVA)/$(PACKAGE)
+
+DIRECTORY_TARGETS += $(INSTALL_JAVA)
+ifdef PACKAGE
+DIRECTORY_TARGETS += $(INSTALL_JAVA)/$(PACKAGE)
+endif
 
 vpath %.class $(INSTALL_JAVA)/$(PACKAGE)