diff --git a/config/vars.mk b/config/vars.mk
index 6382778..bd56ce2 100644
--- a/config/vars.mk
+++ b/config/vars.mk
@@ -29,6 +29,7 @@ CUR_DIR := $(shell pwd)
 
 # NDK config
 NDK_DIR := "../android-ndk"
+$(shell chmod 777 $(CUR_DIR)/config/ndk.sh)
 $(shell $(CUR_DIR)/config/ndk.sh)
 
 ifeq ($(OS),Linux)