1 files changed, 1 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 9dfb1e082..067458b6a 100644
--- a/Makefile
+++ b/Makefile
@@ -261,6 +261,7 @@ unexport CPP
 unexport CFLAGS
 unexport CXXFLAGS
 unexport GREP_OPTIONS
+unexport TAR_OPTIONS
 unexport CONFIG_SITE
 unexport QMAKESPEC
 unexport TERMINFO