diff --git a/mk-dmrlink b/mk-dmrlink
old mode 100644
new mode 100755
index d3cf9ba..9c36cef
--- a/mk-dmrlink
+++ b/mk-dmrlink
@@ -10,7 +10,6 @@
 	apt-get install unzip -y
         apt-get install python-dev -y
 	apt-get install python-pip -y
-	apt-get install python-twisted -y
         apt-get install python-twisted -y
 	pip install bitstring
 	pip install bitarray