diff --git a/network/public/Makefile.in b/network/public/Makefile.in
index 99d926e07871..fcf3571959ac 100644
--- a/network/public/Makefile.in
+++ b/network/public/Makefile.in
@@ -31,5 +31,7 @@ EXPORTS = nsIStreamListener.h           \
           nsILoadAttribs.h              \
           $(NULL)
 
+EXPORTS := $(addprefix $(srcdir)/, $(EXPORTS))
+
 include $(topsrcdir)/config/rules.mk