diff --git a/README.md b/README.md
index a3b97fee79406e1853152ad75f5c5d9769a254ba..e0bd27688e6315adbb8126418f974064d6934323 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ git clone https://github.com/nplab/packetdrill.git
 cd packetdrill/gtests/net/packetdrill/
 ./configure
 gmake
-sudo cp  packetdrill /usr/local/bin
+sudo cp packetdrill /usr/local/bin
 ```
 ##  Continous Integration
 The status of continous integration testing is available from [grid](http://212.201.121.110:38010/grid) and [waterfall](http://212.201.121.110:38010/waterfall).