diff --git a/mozilla/mailnews/import/comm4x/src/Makefile.in b/mozilla/mailnews/import/comm4x/src/Makefile.in
index 35ea58b882e..18760c2ba60 100644
--- a/mozilla/mailnews/import/comm4x/src/Makefile.in
+++ b/mozilla/mailnews/import/comm4x/src/Makefile.in
@@ -44,6 +44,7 @@ include $(DEPTH)/config/autoconf.mk
 
 MODULE		= impComm4xMail
 LIBRARY_NAME	= impComm4xMail
+SHORT_LIBNAME	= imp4Mail
 IS_COMPONENT	= 1
 
 REQUIRES	= xpcom \
diff --git a/mozilla/xpcom/sample/Makefile.in b/mozilla/xpcom/sample/Makefile.in
index 6ccb8cf357a..b1cb3283b30 100644
--- a/mozilla/xpcom/sample/Makefile.in
+++ b/mozilla/xpcom/sample/Makefile.in
@@ -29,6 +29,7 @@ include $(DEPTH)/config/autoconf.mk
 MODULE		= xpcomsample
 XPIDL_MODULE	= xpcomsample
 LIBRARY_NAME	= xpcomsample
+SHORT_LIBNAME	= xpcomsmp
 
 IS_COMPONENT	= 1
 MODULE_NAME	= nsSampleModule