1 files changed, 2 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 5f3510c..5f2c11d 100644
--- a/Makefile
+++ b/Makefile
@@ -463,6 +463,8 @@ clean:
 	rm -rf misdn*
 	rm -rf mISDNuser*
 
+.EXPORT_ALL_VARIABLES:
+
 FORCE:
 
 endif