1 files changed, 1 insertions, 1 deletions
diff --git a/rules.mk b/rules.mk
index 2e9e20d919..5ed8000e05 100644
--- a/rules.mk
+++ b/rules.mk
@@ -14,7 +14,7 @@ endif
 include $(TOPDIR)/include/debug.mk
 include $(TOPDIR)/include/verbose.mk
 
-TMP_DIR:=$(TOPDIR)/tmp
+export TMP_DIR:=$(TOPDIR)/tmp
 
 GREP_OPTIONS=
 export GREP_OPTIONS