1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index db79274c9a..31042b2e09 100644
--- a/Makefile
+++ b/Makefile
@@ -24,6 +24,8 @@ ifneq ($(OPENWRT_BUILD),1)
 
   override OPENWRT_BUILD=1
   export OPENWRT_BUILD
+  GREP_OPTIONS=
+  export GREP_OPTIONS
   include $(TOPDIR)/include/debug.mk
   include $(TOPDIR)/include/depends.mk
   include $(TOPDIR)/include/toplevel.mk